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WorksheetsWhat are forces?
Total questions: 18
Worksheet time: 5hrs 30mins
Name
Class
Date
1.
What surface would probably offer the least friction if you were to slide a box across it?
a)
glass
b)
wood
c)
carpet
d)
brick
2.
Which describes friction?
a)
a unit that is a measure of speed
b)
a force that works against gravity
c)
a form of energy that depends on light and heat
d)
a force that opposes motion between two surfaces that are touching
3.
The force of gravity acting on an object is the object's ______.
a)
Mass
b)
Matter
c)
Weight
d)
Terminal velocity
4.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
5.
A boblsed glides across the ice and gradually begins to slow down. Which force acts opposite to the bobsled's motion?
a)
lift
b)
weight
c)
gravity
d)
friction
6.
What two forces act on a skydiver?
a)
Gravity and Air resistance
b)
Gravity and Falling friction
c)
Gravity and static fricion
d)
Gravity and pull
7.
A car traveling down the road approaches a red light. The driver pushes the car's brakes and the car slows to a stop. What causes the car's speed to change?
a)
a decrease in velocity
b)
an increase in velocity
c)
an increase in friction
d)
a decrease in friction
8.
What force keeps a satellite in orbit?
a)
gravity
b)
friction
c)
electricity
d)
magnetism
9.
What is a force?
a)
Motion
b)
Work
c)
Push or a pull
d)
What Luke Skywalker does
10.
When is there a change in motion?
a)
When the forces are balanced.
b)
When the forces are unbalanced.
c)
Never.
d)
When the forces are equal.
11.
A force in the opposite direction to the motion of the object will cause the object to
a)
speed up
b)
slow down
c)
turn
d)
crash
12.
What is the metric unit of force?
a)
Newton
b)
meters per second per second
c)
pound
d)
weight
13.
What are two examples of forces?
a)
Art and Music
b)
A push or pull
c)
A stand or ground
d)
The dark side and the light side
14.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
15.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
16.
Pushes or a pulls, if they are balanced, no acceleration occurs, but if they are unbalanced, objects accelerate
a)
velocity
b)
friction
c)
forces
d)
mass
17.
A ball is rolled across four different surfaces with the same force. Which surface will slow the movement of the ball most?
a)
tile floor
b)
paved road
c)
grassy field
d)
cement sidewalk
18.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
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