8th Science Physics Retest

Front

What is Newton's First Law of Motion?

Back

An object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by a net external force.

Front

What is Newton's Second 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 Third Law of Motion?

Back

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

Front

What is inertia?

Back

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

Front

What is the force of gravity?

Back

The force of gravity is the attractive force between two masses, which pulls them toward each other.

Front

What is air resistance?

Back

Air resistance is a type of friction that acts against the motion of an object moving through air.

Front

What is friction?

Back

Friction is the force that opposes the motion of an object in contact with a surface.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object over time.

Front

What is mass?

Back

Mass is a measure of the amount of matter in an object, typically measured in kilograms.

Front

What is weight?

Back

Weight is the force exerted by gravity on an object, calculated as the mass of the object multiplied by the acceleration due to gravity (W=mg).