1.

A force exerted on abody of mass 100 g changes its speed by "0.2 ms"^(-1) in each second. Calculate the magnitude of the force.

Answer»

SOLUTION :GIVEN, MASS `m=100g=0.1kg` and ACCELERATION `a=200cms^(-2)=0.2ms^(-2)`.
`F=ma`
`=0.1xx0.2`
`F=0.02N`


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