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WorksheetsForce and Motion
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
A change in speed/velocity. The Speed/Velocity is increasing or decreasing.
a)
Mass
b)
Acceleration
c)
Force
d)
Motion
2.
A change in speed/velocity. The Speed/Velocity is increasing or decreasing.
a)
Balanced Force
b)
Unbalanced Force
c)
Force
d)
Motion
3.
A comet traveling at constant speed through space.
a)
Balanced
b)
Unbalanced
4.
A car moving at a constant speed.
a)
Balanced
b)
Unbalanced
5.
Which of the following is an example of an unbalance force?
a)
A skier accelerating down hill.
b)
2 students pushing on opposite sides of the door with equal force.
c)
A fish swimming at a constant rate in the ocean.
d)
A ping pong ball maintains a constant position above the blowing blow dryer.
6.
Which is the best description for an unbalance force?
a)
An object at rest.
b)
When a force has the same mass as another force.
c)
When one force is acting on the other is greater than the other.
d)
When one object does not move or move at a constant speed.
7.
An 18-Wheeler and a small car are traveling at the same speed. Both apply their brakes at the same time. Which is true?
a)
The truck will stop faster because it has more mass.
b)
The car will stop faster because it has less mass.
c)
The truck will stop faster because it has less mass.
d)
The car will stop faster because it has more mass.
8.
What is the force needed to accelerate a .42 kg football at a rate of 40 m/s2?
a)
9.52 N
b)
95.2 N
c)
1.68 N
d)
16.8 N
9.
The girl is pushing the cart at a constant speed of 3 m/s.
a)
Balanced Force
b)
Unbalanced Force
10.
The girl is pushing the cart at a constant speed of 3 m/s. She increases her force to 35 N.
a)
The cart will remain balanced.
b)
The speed of the cart will increase and become unbalanced.
c)
The speed of the car will decrease and become unbalanced.
d)
The speed of the car will increase but remain balanced.
11.
When a space shuttle was launched, the astronauts on board experienced an acceleration of 29.0 m/s2. If one of the astronauts had a mass of 60.0 kg, what net force in Newtons in newtons did the astronauts.
F=ma
F=ma
a)
1740 N
b)
2.06 N
c)
89 N
d)
31 N
12.
What is the difference between the velocity and the speed of an object?
a)
Velocity is the change in distance over time, while speed is the change in velocity over time.
b)
Velocity has a direction associated with it, while speed has not specific direction.
c)
Velocity has no direction associated with it, while speed has a specific direction.
d)
Velocity is the change in speed over time, while speed is the change in distance over time.
13.
Which of these situations could be represented by this graph?
a)
A student walks 1.5 km to a friends house in 40 minutes. The two students then walk another 1.5 km to school in 20 minutes.
b)
A student walks 1.5 km to a friends house in 20 minutes. The two students then walk another 1.5 km to school in 40 minutes.
c)
A student walks 1.5 km to a friends house in 30 minutes. The two students then walk another 1.5 km to school in 30 minutes.
d)
A student walks 1.5 km to a friends house in 20 minutes. The two students then walk another 1.5 km to school in 60 minutes.
14.
A pitcher hurls a pitch at 30 m/s2 with a force of 15 N, what is the mass of the baseball?
F=ma
F=ma
a)
.5 kg
b)
2 kg
c)
45 kg
d)
450 kg
15.
A family of four go bowling. Each family member bowls with the same force but use different bowling balls. Which bowling ball had the greatest change of speed?
a)
Bowling ball with 16 kg
b)
Bowling ball with 20 kg
c)
Bowling ball with 24 kg
d)
Bowling ball with 28 kg
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