Forces Review Question Preview (ID: 49753)


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What happens when two forces are act in the same direction?
a) they cancel each other out
b) the stronger one prevails
c) they add together
d) their sum divided by two equals the net force

One way to increase acceleration is by
a) increasing mass
b) decreasing mass
c) decreasing force
d) increasing both force and mass proportionally

A baseball is rolling in the outfield and stops without a player scooping it up. What force caused the baseball to stop moving?
a) friction
b) acceleration
c) inertia
d) gravity

Which of the following is true?
a) When an object is traveling at a constant speed and direction, it is accelerating.
b) The greater the force that is applied to an object, the less it will accelerate.
c) If an equal force is applied to 2 object, the object with a greater mass accelerate more.
d) Acceleration takes place when an unbalanced force acts upon an object.

A rocket lifts off the ground. This is an example of
a) Newton's 1st Law
b) Newton's 2nd Law
c) Newton's 3rd Law
d) Universal Law of Gravitation

A person hits a fence while driving a motorcycle. The motorcycle stops, but the person continues to fly through the air. This is an example of
a) Newton's 1st Law
b) Newton's 2nd Law
c) Newton's 3rd Law
d) Universal Law of Gravitation

How much force is required to accelerate 30 kilogram object at 3 meters per second squared?
a) 90N
b) 10N
c) 90J
d) 10J

In a balanced force, the net force ALWAYS will be
a) zero.
b) greater than zero.
c) negative.
d) greater than 1.

When mass increases, inertia
a) increases.
b) decreases.
c) stays the same.
d) doubles.

The Law of Universal Gravitation is dependent upon two variables. Those variables are
a) mass and distance between the objects.
b) mass and acceleration.
c) force and distance between the objects.
d) weight and distance between the objects.

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