Force and Motion

Front

What is Force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What is Motion?

Back

The change in position of an object over time.

Front

What is Speed?

Back

The rate at which an object covers distance.

Front

What is Acceleration?

Back

The rate of change of velocity of an object.

Front

What is Friction?

Back

A force that opposes the motion of an object when it comes into contact with another object.

Front

What is Gravity?

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is a Balanced Force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an Unbalanced Force?

Back

Forces that are not equal and can cause an object to accelerate or change direction.

Front

What is a Pulley?

Back

A simple machine that uses a wheel and a rope to lift or lower objects.

Front

What are the two types of pulleys?

Back

Fixed pulleys and moveable pulleys.