mechanical power Flashcards

1
Q

One ton-force is equal to __________ pound-force

A

2000

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2
Q

Moving an object from one point to another is called __________.

A

work

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3
Q

Potential energy is stored energy until it is allowed to move, then it becomes __________.

A

kinetic energy

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4
Q

The rate machines perform work is defined as __________.

A

Mechanical power

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5
Q

Horsepower is the US customary system of measure for mechanical power. One horsepower equals __________ foot-pounds per second.

A

550

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6
Q

Mass is the amount of __________ the object contains.

A

Matter

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7
Q

The force on a spring can be found by measuring the distance the spring changes from its original length, according to __________.

A

Hooke’s law

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8
Q

Force is any attempt to change the motion of an object and is measured in __________.

A

Newtons (N) and pound-force (lbf

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9
Q

Weight is measured in pound-force (lbf) or newtons (N). Weight is the __________ an object is pulled by gravity.

A

force

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10
Q

The weight of an object is determined by __________.

A

Mass and gravity’s force

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