Front

When two equal forces act in opposite directions on an object, they are called ______________________.

Back

balanced force

Front

The picture is an example of Newton's...

Back

3rd Law

Front

For every action there is an equal and opposite reaction.

Back

Newton's 3rd Law

Front

A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up. This demonstrates which of Newton's Laws?

Back

Newton's 1st Law

Front

Two students are in a baseball game. The first student hits a ball very hard and it has a greater acceleration than the second student who bunts the ball lightly. This illustrates which of Newton's Laws?

Back

Newton's 2nd Law

Front

What is Newton's 1st Law of Motion?

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

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

Front

What is Newton's 3rd Law of Motion?

Back

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

Front

What is an example of a balanced force?

Back

A book resting on a table is an example of balanced forces acting on it.

Front

What is an example of an unbalanced force?

Back

A soccer ball being kicked is an example of an unbalanced force.