Motion in One Dimension: Master the Fundamentals of Straight-Line Motion

Question 1

An object moves with a constant velocity of 10 meters per second. What is the object's acceleration?

Accepted Answer

0 meters per second squared

Answer

5 meters per second squared

Answer

10 meters per second squared

Answer

15 meters per second squared

Question 2

A ball is thrown vertically upward with an initial velocity of 10 m/s. What is the velocity of the ball at the highest point of its trajectory?

Accepted Answer

0 m/s

Answer

5 m/s

Answer

10 m/s

Answer

15 m/s

Question 3

What is the SI unit of displacement?

Accepted Answer

Meter

Answer

Meter per second

Answer

Meter per second squared

Answer

Kilometer

Question 4

A car travels 100 kilometers in 2 hours. Calculate its average velocity.

Accepted Answer

50 km/h

Answer

100 km/h

Answer

200 km/h

Answer

400 km/h

Question 5

Which of the following is a vector quantity?

Accepted Answer

Displacement

Answer

Mass

Answer

Temperature

Answer

Time

Question 6

A car travels 200 kilometers in 4 hours and then 150 kilometers in 3 hours. Calculate its average speed for the entire journey.

Accepted Answer

60 km/h

Answer

50 km/h

Answer

70 km/h

Answer

80 km/h

Question 7

Which factor does not affect the acceleration due to gravity?

Accepted Answer

Shape of the object

Answer

Mass of the object

Answer

Height above the Earth's surface

Answer

Latitude

Question 8

An object moves from position x = 0 m to x = 10 m in 5 seconds. Calculate its average velocity.

Accepted Answer

5 m/s

Answer

2 m/s

Answer

10 m/s

Answer

50 m/s

Question 9

Which graph represents motion with constant acceleration?

Accepted Answer

A straight line with a positive slope

Answer

A straight line with a negative slope

Answer

A parabola

Answer

A circle

Question 10

A car travels 100km in 2 hours. What is its average speed in m/s?

Accepted Answer

27.8m/s

Answer

13.9m/s

Answer

55.6m/s

Answer

111.1m/s

Question 11

Which physical quantity is a vector?

Accepted Answer

Velocity

Answer

Mass

Answer

Temperature

Answer

Volume

Question 12

The SI unit of velocity is:

Accepted Answer

m/s

Answer

km/h

Answer

mph

Answer

ft/s

Question 13

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Distance

Answer

Speed

Answer

Mass

Question 14

A vehicle accelerates from rest at a constant rate of 5 m/s^2 for 10 seconds. What's its final velocity?

Accepted Answer

20 m/s

Answer

10 m/s

Answer

30 m/s

Answer

50 m/s

Question 15

A ball is rolling down a hill with constant velocity. Which statement below applies?

Accepted Answer

Acceleration is zero.

Answer

Velocity is increasing.

Answer

Acceleration is constant.

Answer

Force acting on the ball is zero.

Question 16

An object moving with a velocity of 15 m/s is acted upon by a force that causes it to decelerate at a rate of 3 m/s². What will be the velocity of the object after 4 seconds?

Accepted Answer

6 m/s

Answer

3 m/s

Answer

9 m/s

Answer

12 m/s

Question 17

Which of the following is NOT a valid unit for velocity?

Accepted Answer

km

Answer

m/s

Answer

km/h

Answer

mph

Question 18

A car travels 100 km in 2 hours. What is its average speed?

Accepted Answer

50 km/h

Answer

100 km/h

Answer

25 km/h

Answer

200 km/h

Question 19

Which of the following is the SI unit for acceleration?

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h^2

Answer

mph

Question 20

Which of the following graphs best represents the relationship between velocity and time for an object moving with constant acceleration?

Accepted Answer

A straight line with positive slope

Answer

A circle

Answer

A hyperbola

Answer

A parabola

Question 21

A car travels with a constant speed of 20 m/s for 10 seconds. What is the distance the car travels?

Accepted Answer

200 meters

Answer

20 meters

Answer

100 meters

Answer

2000 meters

Question 22

A ball is dropped from rest. Which of the following graphs best represents the ball's velocity as a function of time?

Accepted Answer

A straight line with a positive slope

Answer

A curve with increasing slope

Answer

A horizontal line

Answer

A straight line with a negative slope

Question 23

A runner completes a 100-meter race in 10 seconds. What is the runner's average speed?

Accepted Answer

10 m/s

Answer

20 m/s

Answer

1 m/s

Answer

5 m/s

Question 24

A car traveling at 20 m/s comes to a stop in 5 seconds. What is the car's acceleration?

Accepted Answer

-4 m/s²

Answer

4 m/s²

Answer

-2 m/s²

Question 25

A ball is thrown vertically upwards and then falls back down. Which of the following statements is TRUE about the ball's acceleration during its flight?

Accepted Answer

The acceleration is constant and downwards.

Answer

The acceleration is constant and upwards.

Answer

The acceleration is zero.

Answer

The acceleration changes direction during the flight.

Question 26

A car travels 120 km in 2 hours. What is the average speed of the car?

Accepted Answer

60 km/h

Answer

120 km/h

Answer

30 km/h

Answer

240 km/h

Question 27

A ball is thrown vertically upwards with an initial velocity of 10 m/s. What is the velocity of the ball at its highest point?

Accepted Answer

0 m/s

Answer

5 m/s

Answer

10 m/s

Answer

-10 m/s

Question 28

A ball is thrown vertically upwards. Which of the following statements is TRUE about the ball's acceleration during its flight?

Accepted Answer

The acceleration is constant and downwards.

Answer

The acceleration is zero at the highest point.

Answer

The acceleration is variable throughout the flight.

Answer

The acceleration is upwards during the ascent and downwards during the descent.

Question 29

A cyclist travels 5 km east and then 3 km west. What is the cyclist's displacement?

Accepted Answer

2 km east

Answer

8 km east

Answer

8 km west

Answer

2 km west

Question 30

A car is travelling at a constant speed of 20 m/s. What is the car's acceleration?

Accepted Answer

0 m/s²

Answer

20 m/s²

Answer

5 m/s²

Answer

10 m/s²

Question 31

A car accelerates from 10 m/s to 30 m/s in 5 seconds. What is the car's average acceleration?

Accepted Answer

4 m/s²

Answer

10 m/s²

Answer

8 m/s²

Answer

2 m/s²

Question 32

A ball is thrown horizontally from a cliff. Which of the following statements is TRUE about the ball's motion?

Accepted Answer

The ball's horizontal velocity remains constant.

Answer

The ball's acceleration is zero.

Answer

The ball's vertical velocity remains constant.

Question 33

A student walks 2 km north, then 3 km east, and finally 1 km south. What is the student's total distance travelled?

Accepted Answer

6 km

Answer

3 km

Answer

4 km

Answer

2 km