Forces

Front

What causes an object to move?

Back

Unbalanced forces cause an object to move.

Front

An icy sidewalk will have ______ friction.

Back

Less friction.

Front

What type of force is used to move a grocery cart forward?

Back

Push.

Front

What force holds the planets in motion around the sun?

Back

Gravitational force.

Front

What is the unit used when measuring force?

Back

Newton.

Front

What are balanced forces?

Back

Balanced forces are equal in size and opposite in direction, resulting in no movement.

Front

What are unbalanced forces?

Back

Unbalanced forces are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What are the two types of friction?

Back

Static friction (when an object is not moving) and kinetic friction (when an object is moving).

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling us down.