5th grade Force

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 inertia?

Back

The tendency of an object to remain at rest or in uniform motion unless acted upon by an outside force.

Front

What is thrust?

Back

A forward pushing force that changes the position and motion of an object.

Front

What happens to an object at rest if no forces act on it?

Back

It will stay at rest.

Front

What is friction?

Back

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

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is an outside force?

Back

A force that comes from outside an object and can change its motion or direction.

Front

What happens when two equal forces act on an object in opposite directions?

Back

The object will not move.

Front

What is acceleration?

Back

The rate at which an object changes its velocity, which can be an increase or decrease in speed.

Front

What is momentum?

Back

The quantity of motion an object has, which depends on its mass and velocity.