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Projectile Motion Lesson

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is the velocity of an object launched straight up at its highest point?

a)

zero

b)

equal to its vx

c)

½ its maximum value

d)

equal to gravity

2.

What is the horizontal acceleration of a projectile in real life?

a)

0 m/s2

b)

9.8 m/s2

3.

In the diagram, which letter represents the horizontal displacement dxd_x^{ }  ?

a)

A

b)

B

c)

C

d)

D

4.

At what point is vx= 0 m/s?

a)

A

b)

B

c)

C

d)

D

e)

None of these points

5.

What do we call an object that moves as a result of two independent forces, one of which is its horizontal motion, and the other is due to gravity?

a)

Air resistance

b)

Friction

c)

Projectile

d)

Trajectory

6.

What do we call the parabolic path that any object follows in a projectile motion?

a)

Air resistance

b)

Friction

c)

Projectile

d)

Trajectory

7.

Which of the following is referred to as a change in position of an object with respect to a reference point?

a)

Force

b)

Motion

c)

Matter

d)

Energy

8.

The path followed by a projectile is also known as its

a)

trajectory

b)

range

c)

height

d)

vertical displacement

9.

Once a projectile is launched, what is the only force that affects its motion?

a)

mass

b)

friction

c)

inertia

d)

gravity

10.

Which of the following statements about the horizontal and vertical components of projectile motion is true?

a)

Changes in the horizontal component occur only when the vertical component changes.

b)

Both the horizontal and vertical components are always constant.

c)

The vertical component changes while the horizontal component stays the same.

d)

The horizontal and vertical components are dependent of each other.

11.

If you throw a baseball straight up, what is its acceleration at the highest point?

a)

9.8 m/s2

b)

9.8 m/s

c)

0 m/s2

d)

0 m/s

12.

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?

a)

A

b)

B

c)

Both objects hit the ground at the same time

d)

unable to determine with the given information

13.

What is the angle of projection for maximum range in projectile motion?

a)

30 degrees

b)

45 degrees

c)

60 degrees

d)

90 degrees

14.

Which of the following factors does NOT affect the time of flight of a projectile?

a)

Initial velocity

b)

Angle of projection

c)

Acceleration due to gravity

d)

Mass of the projectile

15.

In a projectile motion, if the initial velocity is doubled, what happens to the range of the projectile?

a)

It remains the same

b)

It doubles

c)

It quadruples

d)

It halves