Speed and Kinetic Energy Quiz

Front

Relationship between mass and kinetic energy at constant speed:

Back

Kinetic energy increases as mass increases.

Front

Kinetic energy is directly proportional to the ________ of an object.

Back

mass

Front

Speed affects kinetic energy:

Back

Kinetic energy is directly proportional to the square of the speed.

Front

If an object's mass is doubled while speed is constant, what happens to its kinetic energy?

Back

It doubles.

Front

If an object's speed is doubled, what happens to its kinetic energy?

Back

It doubles.

Front

Graph of speed vs. kinetic energy for a given mass.

Back

A parabolic graph opening upwards.

Front

Kinetic energy formula: $KE = \frac{1}{2} \times m \times v^2$. If speed triples, kinetic energy increases by a factor of _________.

Back

9

Front

Greatest impact on kinetic energy?

Back

Speed

Front

If an object's speed is halved, what happens to its kinetic energy?

Back

It is reduced to one-fourth.

Front

Two objects with the same speed but different masses have different kinetic energies because:

Back

Kinetic energy is proportional to mass.