Test Corrections Newton's law (0.33 pts each correct)

Front

What is Newton's 3rd Law?

Back

For every action there is an equal and opposite reaction.

Front

What force prevents a ball rolling on the ground from continuing on its path forever?

Back

Friction.

Front

Which Free Body Diagram (FBD) shows an elevator moving upward but braking?

Back

Diagram C.

Front

What needs to happen to a soccer ball for it to return to your friend after being kicked?

Back

Force has to be applied to the ball.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is the role of friction in motion?

Back

Friction opposes the motion of objects and can cause them to slow down or stop.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is gravitational force?

Back

Gravitational force is the attraction between two masses, proportional to their masses and inversely proportional to the square of the distance between them.

Front

What is a Free Body Diagram (FBD)?

Back

A Free Body Diagram is a graphical representation used to visualize the forces acting on an object.