Gr 11 Physical Sciences: Ch 1 Sum Vectors in two dimensions

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What is the purpose of resolving a vector into components?

To break a vector into components that are not at right angles to one another

To find the resultant vector directly

To simplify the calculation of the resultant vector's magnitude when dealing with perpendicular vectors (correct)

To find the angle of the resultant vector

What is the formula to find the magnitude of the resultant vector when dealing with perpendicular vectors?

R = Rx / Ry

R = √(Rx^2 + Ry^2) (correct)

R = Rx - Ry

R = Rx + Ry

What is a closed vector diagram?

A diagram that shows the vectors are not perpendicular to each other

A diagram that shows the resultant vector has maximum magnitude

A diagram that shows the resultant vector is at an angle to the x-axis

A diagram that shows the resultant vector has zero magnitude (correct)

What is the purpose of using trigonometric identities for components?

To determine the magnitudes of the horizontal and vertical components Signup and view all the answers

What is the first step in the method of vector addition using components?

Make a rough sketch of the problem Signup and view all the answers

How are the horizontal and vertical components of a vector denoted?

Rx and Ry Signup and view all the answers

What is the resultant vector?

A single vector that combines multiple vectors Signup and view all the answers

What is the method of adding vectors by placing the tail of one vector at the head of another called?

Head-to-Tail Method Signup and view all the answers

What are the two perpendicular axes that make up the Cartesian plane?

x-axis and y-axis Signup and view all the answers

What is the property of vectors that allows them to be positioned anywhere on the Cartesian plane without changing their physical meaning?

Vector equality Signup and view all the answers

What is the angle at which perpendicular vectors meet when originating from the same point?

90 degrees Signup and view all the answers

How are angles typically measured in specifying the direction of a vector?

Anti-clockwise from the positive x-axis Signup and view all the answers

What is the purpose of specifying the direction of a vector?

To accurately represent and calculate the vector Signup and view all the answers

What is the term used to describe the combined effect of multiple vectors acting simultaneously?

Resultant vector Signup and view all the answers

What method is used to add vectors graphically in two dimensions?

Tail-to-head method Signup and view all the answers

What is the term used to describe angles measured clockwise from North?

Bearing Signup and view all the answers

What is the main advantage of using perpendicular vectors in vector addition?

They simplify calculations of resultant vectors Signup and view all the answers

How are vectors typically represented on the Cartesian plane?

Using rectangular coordinates Signup and view all the answers

What is the significance of specifying the direction of a vector?

It is essential for accurate representation and calculation Signup and view all the answers

What is the purpose of using compass directions and bearings in vector representation?

To describe the direction of a vector Signup and view all the answers

How can vectors be added in two dimensions?

Either graphically or algebraically Signup and view all the answers

What is the characteristic of a vector that allows it to be positioned anywhere on the Cartesian plane?

Vector equality Signup and view all the answers

What is the relationship between vectors that are perpendicular?

They form a right angle when originating from the same point Signup and view all the answers

What is the term used to describe the direction of a vector measured anti-clockwise from the positive x-axis?

Angle Signup and view all the answers

When adding vectors graphically, what is the purpose of drawing lines parallel to each vector from the head of the other?

To find the resultant vector Signup and view all the answers

What is the advantage of using Pythagoras' theorem in vector addition?

It simplifies the calculation of the resultant vector's magnitude Signup and view all the answers

Why is it useful to resolve a vector into components that are at right angles to one another?

It simplifies the calculation of the resultant vector's magnitude and direction Signup and view all the answers

What is the result of adding vectors in a closed vector diagram?

A resultant vector with zero magnitude Signup and view all the answers

What is the purpose of using trigonometric identities in resolving vectors into components?

To determine the horizontal and vertical components of a vector Signup and view all the answers

What is the advantage of using the tail-to-head method of vector addition?

It simplifies the addition of multiple vectors Signup and view all the answers

What is the result of summing all horizontal components and all vertical components in vector addition using components?

The resultant vector's magnitude and direction Signup and view all the answers

Why is it important to make a rough sketch of the problem when using the method of vector addition using components?

It helps to identify the horizontal and vertical components of each vector Signup and view all the answers

What is the main difference between the head-to-tail method and the tail-to-tail method of vector addition?

The head-to-tail method can only be used for two vectors, while the tail-to-tail method can be used for any number of vectors. Signup and view all the answers

What is the primary advantage of using Pythagoras' theorem in vector addition?

It simplifies the calculation of the resultant vector's magnitude when dealing with perpendicular vectors. Signup and view all the answers

What is the significance of resolving a vector into its horizontal and vertical components?

It simplifies the addition of vectors by breaking them down into manageable components. Signup and view all the answers

When adding vectors using the component method, what is the purpose of summing all horizontal and vertical components?

To find the magnitude of the resultant vector. Signup and view all the answers

What is the characteristic of vectors that allows them to be positioned anywhere on the Cartesian plane without changing their physical meaning?

Their independence of position. Signup and view all the answers

What is the result of adding vectors in a closed vector diagram?

A resultant vector with zero magnitude. Signup and view all the answers

What is the purpose of using trigonometric identities in resolving vectors into components?

To simplify the calculation of the components' magnitudes. Signup and view all the answers

What is the main advantage of using the tail-to-tail method of vector addition?

It can be used to add any number of vectors. Signup and view all the answers

What is the significance of specifying the direction of a vector in two dimensions?

To accurately represent and calculate the vector Signup and view all the answers

What is the advantage of using perpendicular vectors in vector addition?

It simplifies the calculation of the resultant vector Signup and view all the answers

What is the purpose of using compass directions and bearings in vector representation?

To provide a numerical way to describe vector directions Signup and view all the answers

What is the result of adding vectors in two dimensions using the graphical method?

A vector that represents the combined effect of multiple vectors acting simultaneously Signup and view all the answers

What is the characteristic of a vector that allows it to be positioned anywhere on the Cartesian plane?

Its vector equality Signup and view all the answers

What is the relationship between vectors that are perpendicular?

They form a right angle when originating from the same point Signup and view all the answers

What is the purpose of using the Cartesian plane to represent vectors?

To provide a visual representation of vectors in two dimensions Signup and view all the answers

What is the significance of the direction of a vector measured anti-clockwise from the positive x-axis?

It specifies the direction of the vector Signup and view all the answers

What is a necessary condition for the head-to-tail method of vector addition?

The vectors must be perpendicular to each other. Signup and view all the answers

What is the purpose of using the tail-to-tail method of vector addition?

To simplify the addition of vectors. Signup and view all the answers

What is the relationship between the magnitude of the resultant vector and the components of the vectors?

The magnitude of the resultant vector is equal to the square root of the sum of the squares of the magnitudes of the components. Signup and view all the answers

What is the purpose of resolving a vector into its horizontal and vertical components?

To simplify the addition of vectors. Signup and view all the answers

What is the result of adding vectors in a closed vector diagram?

A resultant vector with zero magnitude. Signup and view all the answers

What is the purpose of using trigonometric identities in resolving vectors into components?

To simplify the calculation of the components. Signup and view all the answers

What is the advantage of using the component method of vector addition?

It allows for the separation of the horizontal and vertical components of the vectors. Signup and view all the answers

What is the relationship between the horizontal and vertical components of a vector?

The horizontal and vertical components are perpendicular to each other. Signup and view all the answers

What is the fundamental principle behind representing vectors on the Cartesian plane?

Vectors can be positioned anywhere without changing their physical meaning Signup and view all the answers

What is the purpose of using compass directions and bearings in vector representation?

To specify vector directions in navigation and geography Signup and view all the answers

What is the characteristic of perpendicular vectors?

They form a right angle Signup and view all the answers

What is the benefit of using the graphical method for adding vectors?

It is a visual representation of vector addition Signup and view all the answers

How are angles typically measured in specifying the direction of a vector?

Anti-clockwise from the positive x-axis Signup and view all the answers

What is the result of adding vectors in two dimensions?

A vector quantity Signup and view all the answers

What is the significance of specifying the direction of a vector?

It is essential for accurate representation and calculation Signup and view all the answers

What is the advantage of using perpendicular vectors in vector addition?

It simplifies the calculation of the resultant vector Signup and view all the answers

Gr 11 Physical Sciences: Ch 1 Sum Vectors in two dimensions

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Questions and Answers

What is the purpose of resolving a vector into components?

What is the formula to find the magnitude of the resultant vector when dealing with perpendicular vectors?

What is a closed vector diagram?

What is the purpose of using trigonometric identities for components?

What is the first step in the method of vector addition using components?

How are the horizontal and vertical components of a vector denoted?

What is the resultant vector?

What is the method of adding vectors by placing the tail of one vector at the head of another called?

What are the two perpendicular axes that make up the Cartesian plane?

What is the property of vectors that allows them to be positioned anywhere on the Cartesian plane without changing their physical meaning?

What is the angle at which perpendicular vectors meet when originating from the same point?

How are angles typically measured in specifying the direction of a vector?

What is the purpose of specifying the direction of a vector?

What is the term used to describe the combined effect of multiple vectors acting simultaneously?

What method is used to add vectors graphically in two dimensions?

What is the term used to describe angles measured clockwise from North?

What is the main advantage of using perpendicular vectors in vector addition?

How are vectors typically represented on the Cartesian plane?

What is the significance of specifying the direction of a vector?

What is the purpose of using compass directions and bearings in vector representation?

How can vectors be added in two dimensions?

What is the characteristic of a vector that allows it to be positioned anywhere on the Cartesian plane?

What is the relationship between vectors that are perpendicular?

What is the term used to describe the direction of a vector measured anti-clockwise from the positive x-axis?

When adding vectors graphically, what is the purpose of drawing lines parallel to each vector from the head of the other?

What is the advantage of using Pythagoras' theorem in vector addition?

Why is it useful to resolve a vector into components that are at right angles to one another?

What is the result of adding vectors in a closed vector diagram?

What is the purpose of using trigonometric identities in resolving vectors into components?

What is the advantage of using the tail-to-head method of vector addition?

What is the result of summing all horizontal components and all vertical components in vector addition using components?

Why is it important to make a rough sketch of the problem when using the method of vector addition using components?

What is the main difference between the head-to-tail method and the tail-to-tail method of vector addition?

What is the primary advantage of using Pythagoras' theorem in vector addition?

What is the significance of resolving a vector into its horizontal and vertical components?

When adding vectors using the component method, what is the purpose of summing all horizontal and vertical components?

What is the characteristic of vectors that allows them to be positioned anywhere on the Cartesian plane without changing their physical meaning?

What is the result of adding vectors in a closed vector diagram?

What is the purpose of using trigonometric identities in resolving vectors into components?

What is the main advantage of using the tail-to-tail method of vector addition?

What is the significance of specifying the direction of a vector in two dimensions?

What is the advantage of using perpendicular vectors in vector addition?

What is the purpose of using compass directions and bearings in vector representation?

What is the result of adding vectors in two dimensions using the graphical method?

What is the characteristic of a vector that allows it to be positioned anywhere on the Cartesian plane?

What is the relationship between vectors that are perpendicular?

What is the purpose of using the Cartesian plane to represent vectors?

What is the significance of the direction of a vector measured anti-clockwise from the positive x-axis?

What is a necessary condition for the head-to-tail method of vector addition?

What is the purpose of using the tail-to-tail method of vector addition?

What is the relationship between the magnitude of the resultant vector and the components of the vectors?

What is the purpose of resolving a vector into its horizontal and vertical components?

What is the result of adding vectors in a closed vector diagram?

What is the purpose of using trigonometric identities in resolving vectors into components?

What is the advantage of using the component method of vector addition?

What is the relationship between the horizontal and vertical components of a vector?

What is the fundamental principle behind representing vectors on the Cartesian plane?

What is the purpose of using compass directions and bearings in vector representation?

What is the characteristic of perpendicular vectors?

What is the benefit of using the graphical method for adding vectors?

How are angles typically measured in specifying the direction of a vector?

What is the result of adding vectors in two dimensions?

What is the significance of specifying the direction of a vector?

What is the advantage of using perpendicular vectors in vector addition?

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