Forces Multiple Choice Test

Friction acts in a direction ____to the direction of an object's motion.

Unless an object at rest is acted upon by a force, it stays at rest due to its

A 10 kg ball is accelerated 500 m/s^2 by a force of

The momentum of a 1500 kg car traveling at a velocity of 10 m/s is

A(n) ______ can cause an object's motion to change.

The amount of matter in an object is called its

Newton's second law of motion states the relationship of mass, acceleration, and force. It says that

A(n) ______ causes objects to move in a circle.

The unit of force, a newton, if equal to

An objet in free fall ____ until it reaches terminal velocity.

Weight is the measure of the force of _____ on an object.

A newton is a unit of _______.

Air rushing against an airplane is an example of ______ friction.

The momentum of an object depends on its mass and ________.

The total momentum of any group of objects remains the same unless an outside ____ acts on the objects.

Forces can be added together only if they are acting on different objects.

According to Newton's second law of motion, acceleration increases as force increases, if mass stays the same.

The force exerted by gravity is stronger if two objects are closer.

The force of friction acts between all objects in the universe.

A satellite in orbit around Earth is always falling towards Earth.

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