Exploring Energy: Kinetic and Potential

A car has a mass of 1,000 kg and is moving at a speed of 20 m/s. What is its kinetic energy?

• 10,000 J

• 200,000 J

• 400,000 J

• 20,000 J

Tags

NGSS.MS-PS3-1

Which of the following graphs best represents the relationship between the speed of an object and its kinetic energy?

• A linear graph

• A quadratic graph

• A constant graph

• An exponential graph

Tags

NGSS.MS-PS3-1

If the mass of an object is doubled while its speed remains constant, how does its kinetic energy change?

• It remains the same

• It doubles

• It triples

• It quadruples

Tags

NGSS.MS-PS3-1

A ball is held at a height of 5 meters. What type of energy is primarily stored in the ball?

• Kinetic energy

• Thermal energy

• Potential energy

• Chemical energy

Tags

NGSS.MS-PS3-2

Which of the following scenarios involves a change in potential energy?

• A car accelerating on a flat road

• A book falling off a shelf

• A person running at a constant speed

• A light bulb being turned on

Tags

NGSS.MS-PS3-2

What happens to the potential energy of a system when two magnets are moved closer together?

• It increases

• It decreases

• It remains the same

• It becomes zero

Tags

NGSS.MS-PS3-2

Which of the following best describes the relationship between mass and kinetic energy?

• Kinetic energy is directly proportional to mass

• Kinetic energy is inversely proportional to mass

• Kinetic energy is independent of mass

• Kinetic energy is inversely proportional to the square of mass

Tags

NGSS.MS-PS3-1

A pendulum is released from a certain height. At the lowest point of its swing, what type of energy is at its maximum?

• Potential energy

• Kinetic energy

• Thermal energy

• Chemical energy

Tags

NGSS.MS-PS3-2

If the speed of an object is tripled, by what factor does its kinetic energy increase?

• 3

• 6

• 9

• 12

Tags

NGSS.MS-PS3-1

Which of the following models best represents the concept of potential energy in a spring?

• A stretched rubber band

• A rolling ball

• A burning candle

• A spinning top

Tags

NGSS.MS-PS3-2