Kinetic Energy

Which of the following are examples of kinetic energy? (check all that apply)

• an arrow flying through the air

• a book on a shelf

• kicking a soccer ball

• chewing gum

• sitting at a stop light

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Complete the following sentence. The ________________ an object moves, the more ____________________ energy it has.

• slower ... potential

• faster .... kinetic

• faster ... potential

• slower ... kinetic

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

The sum of potential energy and kinetic energy equals

• work

• transformation

• total energy

• mechanical energy

Tags

NGSS.MS-PS3-1

Energy of motion

• speed

• kinetic energy

• motion

• law of conservation of energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

As mass increases, KE ...

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS3-1

As the velocity of an object decreases, its KE will...

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A moving 10 kilogram object has 20 Joules of KE. What is its velocity?

• 2 m/s

• 4 m/s

• 200 m/s

• 10 m/s

Tags

NGSS.MS-PS3-1

Calculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.

• 18 J

• 36 J

• 12 J

• 6 J

Tags

NGSS.MS-PS3-1

Steve, Mary, Annie, and James hit four identical tennis balls with a racket. The diagram below shows the top speed at which each tennis ball moved when it was hit. Based on the diagram, which of the following is true about the tennis balls when they were at their top speed?

• James's ball had the most kinetic energy.

• Steve's ball had the most kinetic energy.

• Mary's ball had the most kinetic energy.

• Annie's ball had the most kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Kinetic energy is the energy of motion. How could you determine how much kinetic energy an object has?

• by finding its height and width

• by finding its speed and direction

• by finding its position and form

• by finding its mass and speed

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4