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Third Law of Motion

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What is Newton's third law of motion?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Interaction

d)

Law of Gravitation

2.
Newton's Third Law States...
a)
Objects in motion stay in motion and objects at rest stay at rest
b)
Force is equal to mass times acceleration
c)
For each action there is an equal and opposite reaction
3.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
4.
A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?
a)
15,000 N
b)
1,000 N
c)
10, 000 N
5.
What is the reaction force to a foot pushing down on the floor?
a)
The foot going through the floor
b)
The floor pushing back against the foot
c)
The floor breaking to the foot
6.
According to Newton's Third law the strength or magnitude of forces will be...
a)
smaller
b)
equal
c)
larger
7.

A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the ACTION force?

a)

Swimmer pushes on the water

b)

the water pushes on the hand and the swimmer moves forward

8.

If you apply MORE force to the ground what happens to the ground pushing on you?

a)

The force remains the same

b)

The force increases

c)

The force decreases

9.

A swimmer pushes on the water and the water pushes on the hand and the swimmer moves forward. What is the REACTION force?

a)

Swimmer pushes on the water

b)

the water pushes on the hand and the swimmer moves forward

10.

What happens when two objects, such as a baseball and a bat, collide?

a)

They hit each other with the same force in the same direction.

b)

They hit each other with the same force in opposite directions.

c)

They hit each other with unequal force in opposite directions.

d)

One remains still while the other one moves in the same direction.