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Vector Addition by Construction

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Questions and Answers

What is the primary difference between scalar and vector quantities?

Scalar quantities have both magnitude and direction, while vector quantities have only magnitude.
Scalar quantities are always positive, while vector quantities can be negative.
Scalar quantities have only magnitude, while vector quantities have both magnitude and direction. (correct)
Scalar quantities are always negative, while vector quantities can be positive.

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

To find the magnitude of the vector.
To find the direction of the vector.
To simplify the addition of vectors. (correct)
To convert a vector into a scalar quantity.

Which of the following is an example of uniform circular motion?

A projectile moving under the influence of gravity.
An object moving in a straight line at a constant acceleration.
A car moving around a circular track at a constant speed. (correct)
A force applied at an angle to the direction of motion.

What is the role of gravity in projectile motion?

Gravity opposes the motion of the projectile. (C) Signup and view all the answers

What is the purpose of using kinematic equations in problem solving?

To describe the motion of an object in terms of its position, velocity, and acceleration. (A) Signup and view all the answers

What is the relationship between the force of friction and the normal force?

The force of friction is proportional to the normal force. (A) Signup and view all the answers

What is the result of adding two vectors by constructing a parallelogram?

The resultant vector is equal to the diagonal of the parallelogram. (C) Signup and view all the answers

Which of the following is a characteristic of motion under gravity?

Uniform acceleration in one direction. (B) Signup and view all the answers

What is the difference between a scalar and a vector quantity in terms of their notation?

Scalars are denoted by no arrows, while vectors are denoted by arrows. (D) Signup and view all the answers

What is the concept of adding vectors by means of components?

The process of adding vectors by resolving them into their horizontal and vertical components. (D) Signup and view all the answers

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