Unit 1 Lesson 2 Kinetic and Potential Energy

Which of these has kinetic energy?

• a book sitting on a shelf

• hat and gloves on a table

• cars parked in a parking lot

• a child kicking a soccer ball

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Look at the four vehicles.

The vehicles are all moving at the same speed along a road. Which of these statements is correct?

Choose the correct answer.

• The motorcycle has the most kinetic energy because it is the vehicle with the least mass.

• All the vehicles have the same kinetic energy because they are all moving at the same speed.

• The delivery truck has the greatest kinetic energy because its mass is greater than that of the other vehicles.

• The delivery truck has the greatest kinetic energy because it has the most tires in contact with the pavement.

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Which of these has the most kinetic energy?

• a 25 kg fish tank sitting on a table

• a 50 g fish swimming in a fish tank

• a 7,500 kg car parked on a steep hill

• a 50 kg boulder suspended from a cliff

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The diagram shows the curved path of a thrown ball.

At which point does the ball have the greatest amount of gravitational potential energy?

• point W

• point X

• point Y

• point Z

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Which statement best describes a type or form of energy present in this photo?

• there is potential energy in the movement of the arrow.

• there is kinetic energy in the movement of the arrow.

• there is kinetic energy due to the arrow's position above the ground.

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If it an object is moving it has the ability to do _________

• energy

• work

• potential

• gravity

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Kinetic energy is the energy associated with ___________

• motion

• position

• condition

• force

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An object needs to be moving to have the ability to do work.

• True

• False

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Potential energy is the energy an object has because of its ______________

• motion

• position

• movement

• stretch

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the energy associated with objects that are stretched or compressed

• chemical potential energy

• gravitational potential energy

• kinetic energy

• elastic potential energy