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Chapter 8 Work Power and Energy - Test 4
1.
One kilowatt is equal to _________ watts
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2.
There are ______ basic kinds of energy
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3.
Chemical, Electrical, Heat, sound and light are different ______ of energy
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4.
The energy lost by the person during the work is transferred to _________ one which work is being done.
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5.
A body having more energy has ability to do _________ work.
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6.
The ability of a body to do work due to its specific height from the surface of Earth is called ____
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7.
The potential energy of water stored in a dam is due to its ______________
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8.
The potential energy in the spring of a watch is called_______________
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9.
The gravitational potential energy of a body of mass 'm' at a height 'h' from the surface of Earth is equal to _________
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10.
Ability of a body to do work due to its ___________ is called potential energy.
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11.
Increase in potential energy is equal to decrease in ___________
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12.
K.E =______________
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13.
The two basic kinds of energy are kinetic energy and _____ energy.
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14.
The sum of K.E and P.E at any point always remains__________
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15.
We need ____________ energy for the movement of our body.
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