Homework Practice

Printable assignment

Final Assessment: Motion

Section A: Foundations

Question 1mcq

A student walks

3\,m

east and then

4\,m

west along a straight line. What are the distance travelled and displacement?

A.Distance

1\,m

, displacement

7\,m

west

B.Distance

7\,m

, displacement

1\,m

west

C.Distance

7\,m

, displacement

7\,m

east

D.Distance

1\,m

, displacement

1\,m

east

Question 2mcq

A car travels at

20\,m/s

towards north. Which statement correctly describes this quantity?

A.It is speed only because direction is given.

B.It is velocity because both magnitude and direction are given.

C.It is acceleration because the car is moving.

D.It is displacement because time is included.

Question 3mcq

An object moving at constant speed in a circle is accelerating because?

A.Its direction of velocity is continuously changing.

B.Its mass is increasing.

C.Its speed must be zero.

D.Its distance travelled is zero.

Question 4mcq

A student writes acceleration as

10\,m/s

. What correction is needed?

A.Acceleration has no unit.

B.Acceleration should be written as

10\,m/s^2

C.Acceleration should be written as

10\,kg

D.Acceleration and distance have the same unit.

Question 5mcq

To plot a position-time graph from data, what should be marked on the y-axis?

A.Mass

B.Temperature only

C.Position or displacement

D.Chemical formula

Question 6mcq

If the slope of a position-time graph becomes steeper with time, the object is?

A.Definitely at rest

B.Moving with constant zero velocity

C.Losing all displacement

D.Speeding up

Section B: Core Processes

Question 7mcq

Which velocity-time graph shows uniform acceleration from rest?

A.A straight line rising from the origin

B.A horizontal line at zero only

C.A downward curve with no scale

D.A scattered set with no trend

Question 8mcq

A car’s velocity changes from

5\,m/s

25\,m/s

4\,s

. What is its acceleration?

20\,m/s^2

5\,m/s^2

30\,m/s^2

100\,m/s^2

Question 9mcq

Why is the area under a velocity-time graph split into a rectangle and triangle during graphical derivation?

A.To calculate mass from velocity.

B.To remove time from the graph.

C.To calculate displacement for uniform acceleration.

D.To prove distance is always zero.

Question 10mcq

A bike slows from

20\,m/s

5\,m/s

3\,s

. What is its acceleration?

5\,m/s^2

15\,m/s^2

-15\,m/s^2

-5\,m/s^2

Question 11mcq

A student moves

20\,m

east in

5\,s

. What is the average velocity?

4\,m/s

east

25\,m/s

east

15\,m/s

west

4\,m/s

with no direction allowed

Question 12mcq

Velocity changes from

6\,m/s

18\,m/s

3\,s

. what is the average acceleration?

6\,m/s^2

4\,m/s^2

12\,m/s^2

24\,m/s^2

Section C: Calculations and Applications

Question 13mcq

A stone tied to a string is whirled at constant speed. Which quantity changes continuously?

A.Mass

B.Time period always

C.Velocity

D.Length of string always

Question 14mcq

Why is circumference used in deriving speed of uniform circular motion?

A.Displacement after one round equals circumference.

B.Radius is always equal to time.

C.Circular motion has no distance.

D.One complete round covers a distance equal to

2\pi r

Question 15mcq

In a motion investigation, why should distance marks be equally spaced?

A.To record position-time data clearly and compare motion fairly.

B.To change the mass of the object.

C.To make velocity zero.

D.To avoid measuring time.

Question 16mcq

Which variable could affect how fast a toy car moves down a ramp?

A.Chemical symbol of oxygen

B.Slope of the ramp

C.Number of vowels in its name

D.Colour of the notebook only

Question 17mcq

A runner completes one full round of a circular track of radius

50\,m

. Which statement is correct at the end of the round?

A.Distance is zero and displacement is

100\,m

B.Distance is

2\pi r

and displacement is zero.

C.Distance and displacement are both zero.

D.Distance and displacement are both

2\pi r

Question 18mcq

Two students cover

100\,m

10\,s

. Student A runs east, and Student B runs west. What is the same for both, and what is different?

A.Their speed is the same, but their velocity is different.

B.Their velocity is the same, but their speed is different.

C.Both speed and velocity are always the same.

D.Neither speed nor velocity can be calculated.

Section D: Full Chapter Readiness

Question 19mcq

Which set gives the correct meaning of displacement, velocity and acceleration?

A.Displacement: change in position; velocity: displacement per unit time; acceleration: change in velocity per unit time.

B.Displacement: total path length; velocity: mass per unit time; acceleration: distance only.

C.Displacement: force on an object; velocity: energy stored; acceleration: total mass.

D.Displacement: time taken; velocity: direction only; acceleration: position only.

Question 20mcq

Which option uses correct SI units for displacement, velocity and acceleration?

A.Displacement:

m

, velocity:

m/s

, acceleration:

m/s^2

B.Displacement:

kg

, velocity:

m

, acceleration:

s

C.Displacement:

m/s

, velocity:

m/s^2

, acceleration:

m

D.Displacement:

N

, velocity:

kg/m^3

, acceleration:

m

Question 21mcq

A cyclist moves with constant velocity away from the starting point. What should the position-time graph look like?

A.A straight line with constant positive slope

B.A horizontal line at zero position only

C.A circle

D.A vertical line because time does not change

Question 22mcq

What does the slope of a position-time graph represent?

A.Mass of the object

B.Velocity of the object

C.Force acting on the object

D.Temperature of the surroundings

Question 23mcq

An object starts from rest and accelerates uniformly. Which velocity-time graph best represents this motion?

A.A straight line starting from the origin with positive slope

B.A horizontal line below the time axis

C.A vertical line at one instant of time

D.A curve showing decreasing distance only

Question 24mcq

On a velocity-time graph, what does the area under the graph represent?

A.Acceleration only

B.Displacement

C.Mass

D.Speed of light