Intro to Physic: Energy, Work And Power Flashcards

1
Q

Which of the following types of energy is related to temperature?

– Potential
– mechanical
– thermal
– kinetic

A

Thermal

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2
Q

Which of the following types of energy is defined as energy in motion?

– torsional
– mechanical
– potential
– kinetic

A

Kinetic

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3
Q

How much work is performed when you push a 100 lb box 40 feet?

A

4000 ft-lbf

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4
Q

Energy cannot be created or destroyed, only altered in form is the concept of the ___ law of thermodynamics.

A

First

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5
Q

Power is expressed in units of watts, BTU, ___, ft-life/sec.

A

Horsepower

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6
Q

___ is type of energy defined as energy in motion.

A

Kinetic

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7
Q

____ is a type of energy that is related to temperature.

A

Thermal

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8
Q

___ is performed by a force acting on a moving object.

A

Work

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9
Q

___ energy is the energy stored in a substance because of the motion and position of the particles of the substance.

A

Internal

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10
Q

How much work is performed when you push a 100 pound box 40 feet?

A

4000 ft-lbs

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11
Q

Power is expressed in units of Watts, BTU, ___ or ft-lb/sec.

A

Horsepower

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12
Q

What is defined as the amount of energy used per unit time or the rate of doing work?

A

Power

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13
Q

The___ law of thermodynamics indicates simply stated that “energy cannot be created or destroyed, only altered in form.”

A

First

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14
Q

____ is the type of energy defined as stored energy.

A

Potential

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15
Q

What is energy in motion; that is, energy being transferred from one place to another, like wind to a turbine blade?

A

Transient energy

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16
Q

Transient mechanical energy is commonly referred to as ___.

A

Work