Name a force that reduces the efficiency of a machine.

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Solution

The force that reduces the efficiency of a machine is called the force of friction.
The friction produced between the parts of the machine produces heat.
So the energy required to do work gets dissipated in the form of heat energy.
Therefore, friction reduces the efficiency of the machine.

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Name a force that reduces the efficiency of a machine.

The force that reduces the efficiency of a machine is called the force of friction.The friction produced between the parts of the machine produces heat.So the energy required to do work gets dissipated in the form of heat energy.Therefore, friction reduces the efficiency of the machine.

The force that reduces the efficiency of a machine is called the force of friction.
The friction produced between the parts of the machine produces heat.
So the energy required to do work gets dissipated in the form of heat energy.
Therefore, friction reduces the efficiency of the machine.