period 7 - Forces Review

Front

What is Newton's Third Law of Motion?

Back

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

Front

True or False: A car accelerates when the force exerted by the engine is greater than the force exerted by the car on the engine.

Back

True

Front

True or False: A rocket moves upward because the engines push the exhaust gases down, and the gases push the rocket upward with an equal and opposite force.

Back

True

Front

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

Back

Both the force from your legs and gravity.

Front

True or False: Action and reaction forces always cancel each other out because they are equal in size and opposite in direction.

Back

False. They do not cancel each other out because they act on different objects.

Front

What is the definition of force?

Back

A push or pull on an object resulting from the object's interaction with another object.

Front

What is the formula for calculating force?

Back

Force = Mass x Acceleration (F = m x a).

Front

What is inertia?

Back

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

Front

What is the role of gravity in motion?

Back

Gravity is a force that pulls objects toward each other, affecting their motion.

Front

What happens to an object in motion if no net force acts on it?

Back

It continues to move at a constant velocity.