1.

Is it possibleto open a cap of pen with one hand ? If not give reason .

Answer»

SOLUTION :(i) Yes , It is possible . TWO EQUAL & oppositeforces are requiredto PRODUCE requiredamount of torque . Two fingers can be used .
(ii) Rotational MOTION produced by a single fingeris less than two fingersproducingequal & oppositeforces .


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