Kinematics Quizzes: Master Motion in One and Two Dimensions

Question 1

An object is in motion with constant acceleration. Which of the following accurately describes this motion?

Accepted Answer

Its velocity changes at a steady rate

Answer

Its acceleration changes at a steady rate

Answer

Both its velocity and acceleration change at a steady rate

Answer

Neither its velocity nor acceleration changes at a steady rate

Question 2

A car covers a distance of 100 meters in 10 seconds. What is its average velocity?

Accepted Answer

10 m/s

Answer

5 m/s

Answer

15 m/s

Answer

20 m/s

Question 3

An object is projected vertically upward with an initial velocity of 20 m/s. What is the maximum height it will reach?

Accepted Answer

20 m

Answer

10 m

Answer

30 m

Answer

40 m

Question 4

The velocity-time graph of a particle moving in a straight line is a horizontal line. What does this indicate about the particle's motion?

Accepted Answer

It moves with constant velocity

Answer

It moves with constant acceleration

Answer

It is stationary

Answer

Its velocity is decreasing

Question 5

Which of these is a vector quantity?

Accepted Answer

Velocity

Answer

Speed

Answer

Distance

Answer

Time

Question 6

A car travels a distance of 200 km in 2 hours. What is its average speed?

Accepted Answer

100 km/h

Answer

50 km/h

Answer

150 km/h

Answer

200 km/h

Question 7

A particle moves in a circular path with constant speed. What type of acceleration does it experience?

Accepted Answer

Centripetal

Answer

Zero

Answer

Centrifugal

Answer

Tangential

Question 8

A block slides down an inclined plane with an angle of inclination of 30°. What is the acceleration of the block down the plane?

Accepted Answer

2.45 m/s²

Answer

9.8 m/s²

Answer

4.9 m/s²

Answer

0 m/s²

Question 9

An object moves with a constant velocity of 10 m/s. What is its displacement after 5 seconds?

Accepted Answer

50 m

Answer

100 m

Answer

200 m

Question 10

An object is thrown vertically upwards with a velocity of 15 m/s. What is its maximum height?

Accepted Answer

11.25 m

Answer

22.5 m

Question 11

A projectile is launched at an angle of 45 degrees to the horizontal. Which of the following statements about its trajectory is true?

Accepted Answer

It is a parabola.

Answer

It is a straight line.

Question 12

An object is moving in a straight line at a constant velocity of 10 m/s. Calculate its displacement after 5 seconds.

Accepted Answer

50 m

Answer

10 m

Answer

15 m

Answer

25 m

Question 13

A ball is thrown vertically upward with an initial velocity of 15 m/s. Determine its velocity after 2 seconds, considering the effect of gravity.

Accepted Answer

-15 m/s

Answer

15 m/s

Answer

0 m/s

Answer

-30 m/s

Question 14

Identify the quantity that is NOT a vector quantity.

Accepted Answer

Speed

Answer

Displacement

Answer

Velocity

Answer

Acceleration

Question 15

Which of the following equations represents the relationship between velocity, acceleration, and time in linear motion?

Accepted Answer

v = u + at

Answer

s = ut + 1/2at²

Answer

a = v/t

Answer

s = vd

Question 16

A projectile is launched with an initial speed of 20 m/s at an angle of 30° above the horizontal. Calculate the horizontal range of the projectile.

Accepted Answer

17.32 m

Answer

10 m

Answer

20 m

Question 17

A ball is thrown vertically upwards with an initial velocity of 15 m/s. What is its velocity at its maximum height?

Accepted Answer

0 m/s

Answer

5 m/s

Answer

10 m/s

Answer

15 m/s

Question 18

An object moves with constant acceleration. Which of the following graphs represents the relationship between its velocity and time?

Accepted Answer

A straight line with a positive slope

Answer

A straight line with a negative slope

Answer

A parabola

Answer

A circle

Question 19

An object moves in a circle with constant speed. Which of the following statements about its acceleration is true?

Accepted Answer

It is directed towards the center of the circle.

Answer

It is zero.

Answer

It is directed away from the center of the circle.

Answer

It is constantly changing.

Question 20

Which of the following is a unit of acceleration?

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h^2

Answer

ft/s

Question 21

An object moving with a non-zero constant velocity can have:

Accepted Answer

Zero acceleration

Answer

Positive acceleration

Answer

Negative acceleration

Answer

Both positive and negative acceleration

Question 22

The slope of a velocity-time graph represents:

Accepted Answer

Acceleration

Answer

Displacement

Answer

Distance traveled

Answer

Kinetic energy

Question 23

Which of the following equations is used to calculate the displacement of an object undergoing constant acceleration?

Accepted Answer

s = ut + 1/2at^2

Answer

v = u + at

Answer

a = (v - u) / t

Answer

v^2 = u^2 + 2as

Question 24

Which of the following quantities is a scalar?

Accepted Answer

Speed

Answer

Velocity

Answer

Displacement

Answer

Acceleration

Question 25

A train travels 200 km in 4 hours. What is its average speed?

Accepted Answer

50 km/h

Answer

25 km/h

Answer

100 km/h

Answer

200 km/h

Question 26

Which of the following is a motion diagram representing an object moving at a constant velocity?

Accepted Answer

A series of equally spaced dots along a straight line

Answer

A series of equally spaced dots along a curved line

Answer

A single dot

Answer

A series of dots that are scattered randomly

Question 27

An object is projected vertically upward with a velocity v. What is the maximum height it reaches?

Accepted Answer

v^2 / 2g

Answer

v^2 / g

Answer

2v^2 / g

Answer

v^2 * g

Question 28

A body travels along a straight line with a constant acceleration. Its initial velocity is u and it travels a distance s in time t. Which equation of motion expresses this relationship?

Accepted Answer

s = ut + ½at^2

Answer

s = u + at

Answer

v^2 = u^2 + 2as

Answer

s = ut - ½at^2

Question 29

A particle moves in a straight line with a constant acceleration. Which graph represents the variation of its velocity with time?

Accepted Answer

A straight line passing through the origin and inclined to the time axis

Answer

A straight line parallel to the time axis

Answer

A parabola

Answer

A circle

Question 30

A body is dropped from a height h. What is its velocity just before it hits the ground?

Accepted Answer

√(2gh)

Answer

½√(2gh)

Answer

√(gh)

Answer

gh

Question 31

A particle moves in a circular path with constant speed. Which of the following is true about its acceleration?

Accepted Answer

It is constant in magnitude but changes in direction

Answer

It is zero

Answer

It is constant in magnitude and direction

Answer

It is proportional to the radius of the circle

Question 32

A projectile is launched at an angle of 45 degrees to the horizontal. What is the relationship between its horizontal and vertical components of velocity?

Accepted Answer

Horizontal component is equal to the vertical component

Answer

Horizontal component is twice the vertical component

Answer

Vertical component is twice the horizontal component

Answer

Horizontal and vertical components are unrelated

Question 33

A projectile is fired at an angle of 30 degrees to the horizontal. Identify the correct statement about its velocity.

Accepted Answer

Its horizontal component remains constant

Answer

Its vertical component remains constant

Answer

Its speed remains constant

Answer

Its acceleration remains constant

Question 34

A car travels a distance of 100 km in 2 hours. Determine its average speed.

Accepted Answer

50 km/h

Answer

25 km/h

Answer

75 km/h

Answer

100 km/h

Question 35

A ball is dropped from a height of 10 m and bounces back to a height of 5 m. Calculate the coefficient of restitution.

Accepted Answer

0.4

Answer

0.2

Answer

0.6

Answer

0.8

Question 36

An object's displacement is:

Accepted Answer

The net change in its position

Answer

The total distance it travels

Answer

The time taken to move from one point to another

Answer

The average speed of the object

Question 37

The velocity of an object is its:

Accepted Answer

Rate of change of displacement

Answer

Rate of change of acceleration

Answer

Time taken to cover a certain distance

Answer

Direction of motion

Question 38

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

Accepted Answer

A straight line inclined to the time axis

Answer

A straight line parallel to the time axis

Answer

A curve

Answer

A parabola

Question 39

A particle moves in a circular path at constant speed. Its acceleration is:

Accepted Answer

Constant in magnitude but not direction

Answer

Zero

Answer

Constant in both magnitude and direction

Answer

Increasing in magnitude

Question 40

Which of the following is a unit of acceleration?

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h

Answer

mph

Question 41

An object moves with a constant velocity of 10 m/s in the eastward direction. What is its displacement after 5 seconds?

Accepted Answer

50 m east

Answer

10 m west

Answer

50 m west

Answer

10 m east

Question 42

A particle moves in a straight line, and its velocity-time graph is represented by the equation v = 2t + 1. What is the acceleration of the particle?

Accepted Answer

2 m/s²

Answer

4 m/s²

Answer

1 m/s²

Answer

3 m/s²

Question 43

A projectile is launched at an angle of 45 degrees with respect to the horizontal. Which of the following is true about the projectile's horizontal and vertical components of velocity at the highest point of its trajectory?

Accepted Answer

Horizontal component is constant, vertical component is zero

Answer

Both components are constant

Answer

Both components are zero

Question 44

Two cars approach an intersection from perpendicular directions. Car A is traveling at 20 m/s and car B is traveling at 30 m/s. What is the relative velocity of car A with respect to car B?

Accepted Answer

36 m/s at 45 degrees

Answer

20 m/s at 90 degrees

Answer

50 m/s at 0 degrees

Answer

30 m/s at 45 degrees

Question 45

A body is dropped from a height of 50 meters. What is its velocity just before it hits the ground?

Accepted Answer

31.3 m/s

Answer

50 m/s

Answer

15.7 m/s

Answer

25 m/s