Forces Part 2 Question Preview (ID: 18854)


Types Of Forces, Combining Forces, And Newton's Laws Of Motion. TEACHERS: click here for quick copy question ID numbers.

A force can be best defined as
a) a push or a pull
b) gravity or friction
c) change in velocity over time
d) something that is exerted

An object at rest will remain at rest and an object in motion will remain in motion describes
a) Newton's 1st Law of Motion
b) Newton's 2nd Law of Motion
c) Newton's 3rd Law of Motion
d) None of the above

Which of the following is an example of unbalanced forces?
a) A 10 kg box of books sitting at rest
b) A car that travels at a constant velocity
c) Friction pushes against an object, slowing it down
d) A car in motion will tend to stay in motion, while a car at rest will tend to stay at rest

What is the net force on a car if the forward force is 20N and the friction force acting on it is 5N?
a) 35N forwards
b) 35N backwards
c) 5N forwards
d) 5N backwards

Newton's 3rd Law of Motion states that
a) and object at rest will remain at rest, unless acted upon by another force
b) the gravitational force between two objects is related to the masses and the distance between them
c) force is equal to mass times acceleration
d) for every action there is an equal and opposite reaction

A baseball hit with a bat flies farther than a bowling ball hit with a bat. This is an example of
a) Newton's 1st Law of Motion
b) Newton's 2nd Law of Motion
c) Newton's 3rd Law of Motion
d) None of the above

A soccer ball continues to roll until it hits something. This is an example of
a) Newton's 1st Law of Motion
b) Newton's 2nd Law of Motion
c) Newton's 3rd Law of Motion
d) None of the above

You are in a boat and you paddle the water back with your oar. The boat moves forward. This is an example of
a) Newton's 1st Law of Motion
b) Newton's 2nd Law of Motion
c) Newton's 3rd Law of Motion
d) None of the above

____________ is the tendency of an object to keep moving or stay at rest.
a) friction
b) force
c) inertia
d) gravity

A book on your desk stays still because the force of gravity is balanced by
a) a friction force
b) a normal force
c) a gravitational force
d) an elastic force

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