Forces on Objects

Front

What is defined as a push or pull?

Back

Force

Front

___________ is the amount of matter in an object.

Back

Mass

Front

An _______ force must act on an object for it to CHANGE its motion.

Back

Unbalanced

Front

How could you make an object increase its speed?

Back

Use more force

Front

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____ of force.

Back

20 N

Front

What is the force of gravity acting on an object called?

Back

Weight

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What type of forces are equal in size and opposite in direction?

Back

Balanced forces

Front

What happens to an object at rest when an unbalanced force acts on it?

Back

It will start to move.

Front

What is the relationship between mass and weight?

Back

Weight is mass multiplied by the acceleration due to gravity.