Kinetic Energy, Mass and Speed

Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

• mass

• speed

• volume

• weight

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NGSS.MS-PS3-1

Kinetic energy is...

• energy carried in ultraviolet waves

• energy stored in food

• energy in motion

• energy from splitting an atom

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NGSS.MS-PS3-1

Where would this tossed baseball have the greatest amount of kinetic energy?

• point W

• point X

• point y

• point z

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NGSS.MS-PS3-1

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Increasing an object's mass will increase its kinetic energy.

• true

• false

Tags

NGSS.MS-PS3-1

If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• box of 20 textbooks

Tags

NGSS.MS-PS3-1

Kinetic energy is measured in

• Newtons (N)

• Joules (J)

• Kilograms (kg)

• miles per hour (mph)

What two things determine the amount of energy an object has?

• mass and speed

• speed and position

• mass and position

• mass and weight

Tags

NGSS.MS-PS3-1

When the speed of an object doubles, what happens to kinetic energy

• It is halved

• It doubles

• It triples

• It quadruples

Tags

NGSS.HS-PS3-1

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This graph is based on a rolling object with a mass of 2000 kg. At a speed of 80 m/s, the object has 1,000,000 J of kinetic energy. How much kinetic energy does it have when the speed doubles?

• 1,000,000 J

• 2,000,000 J

• 3,000,000 J

• 4,000,000 J

Tags

NGSS.MS-PS3-1

How much less kinetic energy goes an object have if it changes speed from 100 km/h to 50 km/h?

• Kinetic energy does not decrease

• Kinetic energy decreases by half

• Kinetic energy decreases from 400 kJ to 200 kJ

• Kinetic energy decreases from 400 kJ to 100 kJ

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5