WorksheetsQ4 Science 9 Projectile Motion
Total questions: 10
Worksheet time: 10mins
A toy is dropped from the top of a 100 m building. What is the ball’s initial velocity?
0 m/s
9.8 m/s
10 m/s
15 m/s
What is the only force that acts upon projectiles?
Motion
Gravity
inertia
velocity
Which illustrates projectile motion?
Running
Driving a car
Kicking a soccer ball
Dropping a stone from the top of the building
What is the direction of acceleration for any projectile?
Up
down
left
right
If you throw a baseball straight up, what is its velocity at the highest point?
10 m/s2
10 m/s
0 m/s2
0 m/s
What is the symbol for momentum?
p
m
M
mo
A 2-kg object is moving with a momentum of 10 kg.m/s right. What is its velocity?
5 m/s right
0.2 m/s left
20 m/s left
20 m/s right
The Law of Conservation of Momentum states:
The total momentum before a collision is equal to the total momentum after a collision.
The total momentum before a collision is greater than the total momentum after a collision.
The total momentum before a collision is less than the total momentum after a collision.
The total momentum before a collision is not related to the total momentum after a collision.
Which of the following would NOT be considered a projectile?
a cannonball thrown straight up
a cannon ball rolling down a hill
a cannonball rolling off a table
a cannonball thrown into the air
Which of the following statements describes momentum?
the product of body’s mass and velocity
the product of body’s mass and acceleration
the sum of body’s mass and velocity
the sum of body’s mass and acceleration
