Unit 3 & 4 Review

Front

In the absence of air, what happens to a penny and a feather dropped from the same height?

Back

They fall at the same time.

Front

What is inertia?

Back

The tendency to resist motion.

Front

What two factors affect the force of gravity?

Back

Mass and distance.

Front

What is an elastic collision?

Back

The objects separate after the collision.

Front

What does the conservation of momentum state?

Back

Momentum does not change.

Front

What is gravity?

Back

A force that attracts two bodies towards each other.

Front

What is the formula for calculating force?

Back

Force = Mass x Acceleration (F = ma).

Front

What is the difference between mass and weight?

Back

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

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.