Q. The ratio for the efficiency of a machine is

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Q. As the pendulum swings, some of its total energy is converted to thermal energy due to

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Q. The capacity to do work is known as

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Q. When connected to an electric circuit, the chemical potential energy stored by the battery is converted into

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Q. As per principle of conversion of energy, energy can

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Q. The food we eat contains chemical potential energy that can be converted to

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Q. By burning fuels, the stored chemical energy in these fuels is converted to

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Q. The SI unit of energy is

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Q. In its raised position, a hammer possesses

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Q. The energy stored in fossil fuels like coal and oil is

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Q. The energy output is always less than the energy input, because

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Q. Potential energy can be converted into

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Q. When energy is converted from one form to another or transferred from one body to another, the total amount

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Q. Solar energy is converted by plants through the process of photosynthesis into

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Q. The efficiency of the power station is only about

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Q. Wind and waves can be used to turn turbines that convert kinetic energy into

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Q. Energy that is stored is known as

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Q. When an object is raised to a certain height above the ground, it has

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Q. During the series of transfers of energy, the energy wasted is about

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Q. When the hammer falls, the gravitational potential energy is converted to

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