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WorksheetsForces and Motion Review
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
What is a force?
a)
A push or a pull
b)
something you eat
c)
something that doesn't move
2.
What is a balanced force?
a)
An object has a net force of 0 and no movement
b)
An object with a net force greater than 0 and is moving.
3.
What is an unbalanced force?
a)
An object is NOT moving.
b)
An object has a net force greater than 0 and IS moving.
4.
What causes the most potential energy?
a)
Height
b)
Speed
c)
mass
5.
What is friction?
a)
The resistance of two forces rubbing together
b)
It is a flower.
c)
It is a food.
d)
It is how fast something goes.
6.
What does Newton's 1st law of motion say?
a)
An object at rest stays at rest and an object in motion stays in motion unless acted upon by an outside force.
b)
F=ma
c)
For every action there is an equal and opposite reaction.
7.
What does Newton's 2nd law say?
a)
Force=mass x acceleration
b)
An object in motion stays in motion unless acted upon by an outside force.
c)
Intertia makes stuff move.
8.
What does Newton's third law say?
a)
For every action, there is an equal and opposite reaction.
b)
f=ma
c)
Intertia is what makes objects move
9.
What is acceleration?
a)
A change in speed or direction or both.
b)
How fast something is going.
c)
Something standing still
10.
What are examples of "unseen" forces?
a)
Air resistance, gravity, and friction
b)
pushing
c)
Shoving and kicking
d)
Speed
11.
What is mechanical advantage?
a)
the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.
b)
How fast a machine works
c)
How slow a machine works
12.
What is net force?
a)
The total amount of force acting on an object.
b)
How an object moves.
c)
how much an object weighs
13.
Calculate net force. 6 N to the left, and 3 N to the right.
a)
3 N to the left
b)
6 N to the left
c)
4 N to the right
d)
9 N to the right
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