Linear Kinematics: Master Motion in a Straight Line

Question 1

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

Accepted Answer

50 kilometers per hour

Answer

25 kilometers per hour

Answer

75 kilometers per hour

Answer

100 kilometers per hour

Question 2

An object is moving with a constant acceleration. Which of the following statements is true?

Accepted Answer

Its displacement is proportional to the square of time

Answer

Its velocity is constant

Answer

Its acceleration is changing

Answer

Its displacement is proportional to time

Question 3

A car travels 100 kilometers in 2 hours. What is its average acceleration?

Accepted Answer

0 meters per second squared

Answer

5 meters per second squared

Answer

10 meters per second squared

Answer

20 meters per second squared

Question 4

An object moves from a position of -2 meters to a position of 5 meters in 4 seconds. What is the object's average velocity?

Accepted Answer

1.75 m/s

Answer

7 m/s

Answer

0.5 m/s

Answer

3.5 m/s

Question 5

A car travels 100 meters in 10 seconds and comes to a stop in the subsequent 5 seconds. What is its acceleration?

Accepted Answer

-2 m/s²

Answer

2 m/s²

Answer

1 m/s²

Answer

0 m/s²

Question 6

A cyclist begins from rest and accelerates at a constant rate of 2 m/s² for 10 seconds. What is their velocity after 10 seconds?

Accepted Answer

20 m/s

Answer

10 m/s

Answer

30 m/s

Answer

40 m/s

Question 7

A car is traveling at a speed of 25 m/s when the driver applies the brakes and the car comes to a stop in a distance of 50 meters. What is the car's acceleration?

Accepted Answer

-5 m/s²

Answer

5 m/s²

Answer

2.5 m/s²

Answer

0 m/s²

Question 8

Which of the following is the standard international unit of measurement for displacement?

Accepted Answer

Meter (m)

Answer

Kilogram (kg)

Answer

Second (s)

Answer

Degree (°)

Question 9

An object is dropped from a height of 10 meters. What is its velocity just before it hits the ground?

Accepted Answer

Approximately 14 m/s

Answer

10 m/s

Answer

20 m/s

Question 10

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

Accepted Answer

Approximately 11.25 meters

Answer

45 meters

Answer

5.625 meters

Answer

22.5 meters

Question 11

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Mass

Answer

Time

Answer

Temperature

Question 12

An object moves a distance of 10 meters in 2 seconds. What is its velocity?

Accepted Answer

5 m/s

Answer

10 m/s

Answer

2 m/s

Answer

0.5 m/s

Question 13

An object starts from rest and accelerates at 5 m/s^2 for 3 seconds. What is its displacement?

Accepted Answer

22.5 meters

Answer

15 meters

Answer

30 meters

Answer

45 meters

Question 14

An object moves with a constant velocity of 10 m/s for 5 seconds. What is the acceleration of the object?

Accepted Answer

0 m/s^2

Answer

5 m/s^2

Answer

10 m/s^2

Answer

2 m/s^2

Question 15

An object has an initial velocity of 5 m/s and accelerates at -2 m/s^2 for 4 seconds. What is its final velocity?

Accepted Answer

-3 m/s

Answer

1 m/s

Answer

13 m/s

Answer

7 m/s

Question 16

An object 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

100 m/s

Answer

15.6 m/s

Question 17

A car travels a distance of 100 km in 1 hour. What is its average speed?

Accepted Answer

100 km/h

Answer

150 km/h

Answer

200 km/h

Answer

50 km/h

Question 18

An object moves with a non-constant acceleration. Which of the following is NOT a valid equation to calculate its displacement?

Accepted Answer

v = u + at

Answer

v^2 = u^2 + 2as

Answer

a = (v-u)/t

Answer

s = ut + 1/2 at^2

Question 19

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Time

Answer

Mass

Answer

Distance

Question 20

An object is moving in a straight line. Which of the following graphs best represents its displacement-time relationship?

Accepted Answer

A straight line with a constant slope.

Answer

A curved line.

Answer

A straight line with a zero slope.

Answer

A horizontal line.

Question 21

Which of the following is a unit of acceleration?

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h