Speed and Kinetic Energy Quiz

Which of the following statements best describes the relationship between mass and kinetic energy when speed is constant?

• Kinetic energy decreases as mass increases.

• Kinetic energy increases as mass increases.

• Kinetic energy remains constant regardless of mass.

• Kinetic energy is not affected by mass.

Tags

NGSS.MS-PS3-1

Fill in the blank: The kinetic energy of an object is directly proportional to the ________ of the object.

• mass

• color

• temperature

• shape

Tags

NGSS.HS-PS3-2

The speed of an object affects its kinetic energy. Which of the following best describes this relationship?

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

• Kinetic energy is inversely proportional to the speed.

• Kinetic energy is directly proportional to the speed.

• Kinetic energy is independent of the speed.

If the mass of an object is doubled while its speed remains the same, what happens to its kinetic energy?

• It remains the same

• It doubles

• It triples

• It quadruples

If the speed of an object is doubled, what happens to its kinetic energy?

• It remains the same.

• It doubles.

• It triples.

• It quadruples.

Which graph correctly represents the relationship between speed and kinetic energy for a given mass?

• A linear graph with a positive slope.

• A parabolic graph opening upwards.

• A horizontal line.

• A vertical line.

Tags

NGSS.HS-PS3-2

Fill in the blank: The formula for calculating kinetic energy is $KE = \frac{1}{2} \times \text{mass} \times \text{speed}^2$. If the speed of an object is tripled, its kinetic energy will increase by a factor of _________.

• 9

• 3

• 6

• 12

Which factor has the greatest impact on the kinetic energy of an object?

• Mass

• Speed

• Volume

• Shape

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

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

• It remains the same.

• It is halved.

• It is reduced to one-fourth.

• It doubles.

Tags

NGSS.MS-PS3-1

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

• Kinetic energy depends only on speed.

• Kinetic energy is proportional to mass.

• Kinetic energy is inversely proportional to mass.

• Kinetic energy is independent of mass.