Linear Motion in Sport: Master the Basics for Enhanced Performance

Question 1

Which equation represents the relationship between displacement (s), initial velocity (u), final velocity (v), and acceleration (a)?

Accepted Answer

s = ut + 1/2at²

Answer

v = u + at

Answer

a = (v - u)/t

Answer

s = v + at²

Question 2

Which factor does NOT affect the range of a projectile?

Accepted Answer

Mass of the projectile

Answer

Initial velocity

Answer

Angle of projection

Answer

Air resistance

Question 3

Which graph represents an object moving with uniform acceleration?

Accepted Answer

A straight line with a positive slope

Answer

A straight line parallel to the x-axis

Answer

A parabola

Answer

A circle

Question 4

Which of the following is a type of non-uniform acceleration?

Accepted Answer

Radial acceleration

Answer

Uniform acceleration

Answer

Linear acceleration

Answer

Constant acceleration

Question 5

Which of the following is the SI unit of velocity?

Accepted Answer

Metre per second (m/s)

Answer

Metre (m)

Answer

Metre per second squared (m/s²)

Answer

Cubic metre (m³)

Question 6

An object moving at a constant speed of 10 m/s has an acceleration of:

Accepted Answer

0 m/s²

Answer

10 m/s²

Answer

20 m/s²

Answer

-10 m/s²

Question 7

Displacement is a vector quantity that represents the:

Accepted Answer

change in position of an object

Answer

distance travelled by an object

Answer

speed of an object

Answer

acceleration of an object

Question 8

At its highest point during vertical projectile motion, the velocity of the projectile is:

Accepted Answer

0 m/s

Answer

equal to its initial velocity

Answer

equal to its final velocity

Answer

negative

Question 9

The horizontal range of a projectile is primarily determined by its:

Accepted Answer

initial velocity and angle of projection

Answer

initial velocity only

Answer

initial height only

Answer

initial velocity, initial height, and the force of gravity

Question 10

Which of the following is NOT a characteristic of linear motion?

Accepted Answer

Motion in a circular path

Answer

Motion along a straight line

Answer

Constant velocity

Answer

Constant acceleration

Question 11

The equation v = u + at describes:

Accepted Answer

velocity

Answer

displacement

Answer

acceleration

Answer

time

Question 12

The motion of a skydiver falling towards the Earth is an example of:

Accepted Answer

accelerated motion

Answer

uniform motion

Answer

decelerated motion

Answer

circular motion

Question 13

What is the SI unit of displacement?

Accepted Answer

Metres

Answer

Seconds

Answer

Kilograms

Answer

Newtons

Question 14

A ball is thrown vertically upwards. At the highest point of its trajectory, its:

Accepted Answer

Acceleration is zero

Answer

Velocity is maximum

Answer

Displacement is maximum

Answer

Velocity and acceleration are zero

Question 15

The acceleration due to gravity on Earth is approximately:

Accepted Answer

9.8 m/s^2

Answer

10 m/s^2

Answer

11.2 m/s^2

Answer

12.5 m/s^2

Question 16

Which of the following graphs represents a constant velocity?

Accepted Answer

A straight line with a constant slope

Answer

A parabola

Answer

A circle

Answer

A hyperbola

Question 17

A projectile is launched at an angle of 45 degrees to the horizontal. Its horizontal range is:

Accepted Answer

Twice its vertical height

Answer

Equal to its vertical height

Answer

Half its vertical height

Answer

Four times its vertical height

Question 18

An athlete travels a distance of 20 meters in 5 seconds. Calculate the athlete's velocity.

Accepted Answer

5 meters per second

Answer

4 meters per second

Answer

25 meters per second

Answer

0.4 meters per second

Question 19

An object moves with a velocity of 10 meters per second east. If the object's acceleration is 2 meters per second squared west, calculate the object's velocity after 5 seconds.

Accepted Answer

10 meters per second west

Answer

0 meters per second

Answer

5 meters per second west

Answer

15 meters per second east

Question 20

A ball is thrown vertically upward with an initial velocity of 10 m/s. What is its maximum height (ignoring air resistance)?

Accepted Answer

10 m

Answer

5 m

Answer

15 m

Answer

20 m

Question 21

Which of the following graphs represents the motion of an object with constant velocity?

Accepted Answer

A straight line graph with a constant slope

Answer

A curved line graph

Answer

A parabolic graph

Answer

A sinusoidal graph

Question 22

A runner completes a 100-meter dash in 10 seconds. What is their average speed?

Accepted Answer

10 m/s

Answer

5 m/s

Answer

15 m/s

Answer

20 m/s

Question 23

What is the key difference between displacement and distance?

Accepted Answer

Displacement considers only the straight-line path between two points, while distance considers the actual path taken.

Answer

Displacement considers only the horizontal component of motion, while distance considers both horizontal and vertical components.

Answer

Displacement is a scalar quantity, while distance is a vector quantity.

Answer

There is no difference between displacement and distance.

Question 24

A ball is thrown vertically upwards with an initial velocity of 15 m/s. What is its maximum height (neglecting air resistance)?

Accepted Answer

22.6 m

Answer

11.3 m

Answer

33.9 m

Answer

45.2 m

Question 25

Which of the following is the correct SI unit for acceleration?

Accepted Answer

m/s^2

Answer

m/s

Answer

m^2/s

Answer

m^2/s^2

Question 26

A runner accelerates from rest at a constant rate of 2 m/s^2. 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 27

A ball is thrown horizontally from a height of 1.5 m with a velocity of 10 m/s. What is the time taken to reach the ground (neglecting air resistance)?

Accepted Answer

1.16 s

Answer

0.58 s

Answer

1.74 s

Answer

2.32 s

Question 28

A graph of velocity against time shows a straight line with a positive slope. What does this indicate?

Accepted Answer

Constant acceleration

Answer

Constant velocity

Answer

Constant deceleration

Answer

Periodic motion

Question 29

An athlete covers a distance of 100 m in 10 s. Calculate the athlete's average speed during this time period.

Accepted Answer

10 m/s

Answer

1 m/s

Answer

5 m/s

Answer

15 m/s

Question 30

Which of the following physical quantities is a vector?

Accepted Answer

Acceleration

Answer

Distance

Answer

Speed

Answer

Mass

Question 31

Which of the following is NOT a unit of velocity?

Accepted Answer

m/s^2

Answer

m/s

Answer

km/h

Answer

mph

Question 32

Which equation represents acceleration?

Accepted Answer

a = v-u/t

Answer

v = u + at

Answer

s = ut + 1/2at^2

Answer

s = vt - 1/2at^2

Question 33

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

Accepted Answer

Acceleration

Answer

Displacement

Answer

Velocity

Answer

Time

Question 34

Which of the following is the SI unit of velocity?

Accepted Answer

m/s

Answer

km/h

Answer

mph

Answer

m/s²

Question 35

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Distance

Answer

Speed

Answer

Time

Question 36

The acceleration due to gravity on Earth is approximately:

Accepted Answer

9.8 m/s²

Answer

4.9 m/s²

Answer

19.6 m/s²

Answer

29.4 m/s²

Question 37

Which of the following factors does NOT affect the range of a projectile?

Accepted Answer

Mass

Answer

Air resistance

Answer

Initial velocity

Answer

Angle of projection

Question 38

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

Accepted Answer

10 m/s

Answer

1 m/s

Answer

5 m/s

Answer

20 m/s

Question 39

A car travels 100 kilometers in 2 hours. What is the car's average speed?

Accepted Answer

50 km/h

Answer

100 km/h

Answer

25 km/h

Answer

75 km/h

Question 40

A ball is dropped from a height of 10 meters. Ignoring air resistance, how long does it take for the ball to hit the ground?

Accepted Answer

1.43 s

Answer

4.29 s

Answer

0.71 s

Answer

2.86 s

Question 41

A car accelerates uniformly from rest to a speed of 30 m/s in 6 seconds. What is the total distance traveled by the car during this time?

Accepted Answer

90 m

Answer

45 m

Answer

135 m

Answer

22.5 m