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  4. 3-6 A particle moves in a straight line with constant acceleration under a constant force F. Select the correct alternative(s) :

Q. 3-6 A particle moves in a straight line with constant acceleration under a constant force $F$. Select the correct alternative(s) :

Work, Energy and Power Report Error

Solution:

Power developed by a force acting on a body is $P=m a v$. If $a=$ constant we can use $v=a t$ so we get $P=m a^{2} t$ and we can use displacement of body as $x=(1 / 2) a t^{2}$.

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