Gr 10 Physical Sciences Ch 16: Speed and velocity

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What determines the velocity of an object?

The force applied to the object

The initial and final positions of the object (correct)

The path taken by the object

The mass of the object

What is the sign of velocity?

Can be positive or negative (correct)

Zero

Always positive

Always negative

What type of quantity is speed?

Scalar (correct)

Tensor

Vector

Matrix

What is the velocity of an object for a round trip?

Zero Signup and view all the answers

What is the difference between distance and displacement?

Distance does not consider direction, displacement does Signup and view all the answers

What is the speed of an object for a round trip?

Non-zero Signup and view all the answers

What is the formula to calculate average speed?

v_av = D / Δt Signup and view all the answers

What is the unit of average velocity?

Metre per second Signup and view all the answers

What is the main difference between average speed and average velocity?

Average speed depends on the total path traveled, while average velocity depends on the displacement Signup and view all the answers

What is the term for the total distance traveled?

Distance Signup and view all the answers

What is the formula to calculate average velocity?

Δx / Δt Signup and view all the answers

Is average velocity a scalar or vector quantity?

Vector Signup and view all the answers

What does Δx represent in the formula for average velocity?

Displacement (straight-line distance) Signup and view all the answers

What does the term 'average' mean in the context of speed and velocity?

It indicates the value over a specific period of time Signup and view all the answers

What is the key difference between average speed and average velocity?

Average speed is a scalar quantity, while average velocity is a vector quantity. Signup and view all the answers

If an object travels a total distance of 100 meters in 10 seconds, what is its average speed?

10 m/s Signup and view all the answers

Which of the following is an example of a situation where the average speed and average velocity are equal?

An object moving in a straight line. Signup and view all the answers

What is the unit of the total distance traveled in the formula for average speed?

Meter Signup and view all the answers

Why does average speed depend on the total path traveled?

Because it considers the total distance traveled. Signup and view all the answers

What is the term for the straight-line distance from the starting point to the endpoint?

Displacement Signup and view all the answers

If an object's average velocity is 5 m/s, what can be said about its motion?

It's moving in a straight line. Signup and view all the answers

Why is average velocity a vector quantity?

Because it has both magnitude and direction. Signup and view all the answers

Which of the following is a characteristic of velocity?

It can be positive or negative. Signup and view all the answers

What is the main difference between speed and velocity?

Speed is a scalar quantity, while velocity is a vector quantity. Signup and view all the answers

An object travels from point A to point B and then returns to point A. What is the displacement of the object?

Zero, because the starting and ending points are the same. Signup and view all the answers

What is a characteristic of distance?

It is the total length of the path traveled by an object. Signup and view all the answers

Why is the velocity of an object for a round trip zero?

Because the displacement is zero, and the starting and ending points are the same. Signup and view all the answers

What is the main reason why speed and velocity are distinct concepts?

Speed is a scalar quantity, while velocity is a vector quantity. Signup and view all the answers

What is the primary reason why velocity depends on the direction of motion?

Because it is a vector quantity. Signup and view all the answers

What is the relationship between the total distance traveled and the speed of an object?

The total distance traveled is directly proportional to the speed. Signup and view all the answers

What is the main difference between the displacement of an object and its distance traveled?

Displacement considers direction, while distance traveled does not. Signup and view all the answers

Why is velocity a more informative quantity than speed in describing an object's motion?

Because velocity includes direction, while speed does not. Signup and view all the answers

What is the primary reason why the velocity of an object for a round trip is zero?

Because the displacement is zero. Signup and view all the answers

What is the relationship between speed and velocity for an object moving in a circular path?

Speed is equal to velocity. Signup and view all the answers

What is the primary reason why average speed is a scalar quantity?

It only has magnitude and no direction. Signup and view all the answers

Which of the following statements about average velocity is true?

It is a vector quantity with both magnitude and direction. Signup and view all the answers

What is the primary difference between average speed and average velocity?

Average speed is a scalar quantity, while average velocity is a vector quantity. Signup and view all the answers

Which of the following is a characteristic of average velocity?

It is a measure of an object's change in position per unit of time. Signup and view all the answers

What is the significance of the symbol Δx in the formula for average velocity?

It represents the change in position (displacement). Signup and view all the answers

Why is it necessary to specify the direction of travel when calculating average velocity?

Because average velocity is a vector quantity. Signup and view all the answers

What is the consequence of an object traveling in a circular path on its average velocity?

Its average velocity is zero. Signup and view all the answers

Which of the following is a characteristic of both average speed and average velocity?

They are both measures of an object's motion over a period of time. Signup and view all the answers

What is a key difference between speed and velocity?

Speed is always positive, while velocity can be positive or negative. Signup and view all the answers

Why does velocity depend on the initial and final positions?

Because velocity considers the direction of motion. Signup and view all the answers

What can be said about the displacement of an object that travels in a round trip?

The displacement is zero. Signup and view all the answers

Why is average velocity a more informative quantity than average speed?

Because average velocity considers the direction of motion. Signup and view all the answers

What is the main difference between distance and displacement?

Distance is the total length of the path traveled, while displacement is the straight-line distance from the starting point to the endpoint. Signup and view all the answers