Amplify Force and Motion, Chapters 1 and 2

Front

What is friction?

Back

Friction is the force that opposes the motion of an object as it moves across a surface.

Front

What does it mean to start moving?

Back

To start moving means to change from a state of rest to a state of motion.

Front

What is velocity?

Back

Velocity is the speed of an object in a particular direction.

Front

What is required to change an object's velocity?

Back

A force is required to cause an object to change its velocity.

Front

What happens when a force is applied to an object?

Back

When a force is applied to an object, it can cause the object to speed up, slow down, or change direction.

Front

What is the relationship between force and motion?

Back

Force is what causes an object to move or change its motion.

Front

What is an example of an object slowing down due to a force?

Back

A car applying brakes to slow down is an example of an object slowing down due to a force.

Front

What is the difference between speed and velocity?

Back

Speed is how fast an object is moving, while velocity includes both speed and direction.

Front

What is an example of friction in everyday life?

Back

Walking on the ground involves friction between your shoes and the surface.

Front

What does it mean for an object to change direction?

Back

Changing direction means altering the path along which an object is moving.