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WorksheetsBracket 3 Physical Science Review
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
What type of force does a pulley use
a)
push
b)
pull
c)
gravity
d)
magnetism
2.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
3.
For every action there is an equal and opposite reaction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
4.
How can you decrease the effort force needed to push a weight to the top of the ramp?
a)
cover the surface with carpet
b)
increase the length of the ramp
c)
increase the height of the ramp
d)
decrease the length of the ramp
5.
Calculate the amount of work done if you use a 100N force to push a 50 kg box 5 m across the kitchen floor.
a)
250 J
b)
500 J
c)
5000 J
d)
50,000 J
6.
Mechanical advantage is a measure of how much a machine multiplies the input
a)
efficiency.
b)
force.
c)
power.
d)
work.
7.
A force that causes objects with mass to attract to each other
a)
Push
b)
Pull
c)
Gravity
d)
Magnetism
8.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
9.
Your teacher wants to explain what is meant by mass. How should she describe the mass of her body?
a)
the weight of her body in pounds
b)
the weight of her body in newtons
c)
the volume occupied by her body
d)
the amount of matter in her body
10.
More force creates more acceleration.
a)
Law of Inertia
b)
Law of Mass and Acceleration
c)
Law of Action Reaction
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