Forces and Motion

Front

What happens to you when a carousel suddenly stops?

Back

You would be thrown forward.

Front

What is the purpose of a reference point?

Back

It gives you a point to compare your location to the position of a moving object, or vice versa.

Front

What activity becomes harder to perform when friction is decreased?

Back

Walking on a sidewalk.

Front

What is a force?

Back

A push or a pull upon an object that causes a change in the object's state of rest or motion.

Front

What does Newton's Second Law of Motion refer to?

Back

The acceleration of an object is related to the amount of force applied to it, as well as the mass of the object.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Front

What is the relationship between mass and force?

Back

The greater the mass of an object, the more force is needed to accelerate it.

Front

What is the effect of balanced forces on an object?

Back

Balanced forces do not change the motion of an object.