PS Unit 7 Forces

Front

What is Net Force?

Back

The overall force acting on an object when all the individual forces are combined. If the forces are balanced, the net force is 0N.

Front

How do you calculate Net Force when multiple forces are acting in the same direction?

Back

Add the magnitudes of the forces together.

Front

What is the equation for Newton's 2nd Law of Motion?

Back

F = ma, where F is force, m is mass, and a is acceleration.

Front

What is the unit of force?

Back

Newton (N), which is equivalent to kg·m/s².

Front

What does Newton's Third Law state?

Back

For every action, there is an equal and opposite reaction.

Front

If a couch is pushed with 35 N to the right and 25 N to the right, what is the net force?

Back

60 N to the right.

Front

What happens to the net force if two equal forces act in opposite directions?

Back

The net force is 0N, resulting in a balanced force.

Front

What is mass?

Back

The amount of matter in an object, measured in kilograms (kg).

Front

What is the relationship between mass and acceleration in Newton's 2nd Law?

Back

Acceleration is directly proportional to the net force and inversely proportional to the mass.

Front

What is an example of Newton's Third Law in action?

Back

When you jump off a small boat, you push the boat backward as you move forward.