State two functions of a machine. - Vidyadip

Question

State two functions of a machine.

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Answer

Various functions that a machine can perform are:

Changing the direction of applied force – Example: When a flag is hoisted with the help of a pulley.
Changing the magnitude of applied force – Example: Bottle opener multiplies the applied force and much less effort is required to open the cap.
Applying force at a convenient point – Example: In a pair of scissors, the input force is applied at the handle of the scissors which cuts the paper at the other end of the blade.
Changing the speed of an object – Example: While riding a bicycle, force is applied on pedals which multiplies the speed.

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