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10 questions
Which is occurring when work is being done?
Energy is being reverted.
Energy is being transferred.
Energy is being decreased.
Energy is being increased.
Which statement best defines the relationship between work and energy?
Work can transfer energy between objects and increase radiant energy.
Work can transfer energy between objects and decrease nuclear energy.
Work can transfer energy between objects and cause a change in the amount of total energy
Work can transfer energy between objects and cause a change in the form of energy.
Gabriel is performing an experiment in which he is measuring the energy and work being done by a ball rolling down a hill. Which statement best describes Gabriel’s measurements?
They will remain constant.
They will both be recorded in joules.
They will both be recorded in hertz.
They will involve compressions.
When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change?
work
chemical energy
power
gravitational energy
Abin is doing work by lifting a bowling ball. Which statement could be made about the energy in this situation?
It is being transferred from the ball to his arm muscles.
It is being transferred from his arm muscles to the ball.
It would be recorded in units of hertz and power.
It would be cause a change in energy from potential to chemical.
Which statement best describes the work and energy in these examples?
Example 1: Running a car requires gas.
Example 2: Humans require food to live.
The gas and food are examples of energy.
The gas and food are examples of work.
The gas and humans are examples of work.
The food and car are examples of energy.
What is the energy of an object because of its potential and kinetic energies?
chemical energy
nuclear energy
mechanical energy
electrical energy
What are two types of mechanical energy?
elastic and gravitational
nuclear and chemical
radiant and thermal
electrical and kinetic
What kind of energy involves the flow of positive charges?
thermal
electrical
radiant
nuclear
The sun emits electromagnetic waves at many frequencies, but mostly in the infrared, visible, and ultraviolet spectrums. What kind of energy is this?
thermal
chemical
radiant
nuclear
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