period 9 - Forces Review

Front

What is Newton's Third Law of Motion?

Back

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

Front

What happens when a person jumps off a boat?

Back

The boat moves backward.

Front

What force acts on a bird when it pushes air downward with its wings?

Back

The air pushes the bird upward.

Front

What forces are acting when you jump up from the ground?

Back

Both the force from your legs and gravity.

Front

Which statement best describes Newton's First Law?

Back

An object in motion stays in motion unless acted upon by an external force.

Front

What is the definition of force?

Back

A push or pull on an object that can cause it to accelerate.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects toward the Earth.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.

Front

What is an example of an action-reaction pair?

Back

When a swimmer pushes water backward, the water pushes the swimmer forward.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.