Net force and types of forces review

Front

What is the unit to MEASURE force?

Back

Newton

Front

What is the net force when two forces of 20 N and 25 N act in the same direction?

Back

45 N to the right

Front

The acceleration of an object depends on the mass of the object and the size of the net force applied. Which law does this statement represent?

Back

Second Law of Motion

Front

What does Newton's 1st law state?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

A ____________ is a push or a pull on an object.

Back

force

Front

What is friction?

Back

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

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is the formula for calculating net force?

Back

Net Force = Total Forces acting in one direction - Total Forces acting in the opposite direction.

Front

What is an example of balanced forces?

Back

Two people pushing a car with equal force in opposite directions.

Front

What is an example of unbalanced forces?

Back

A child pushing a swing, causing it to move.