Which of the following expressions gives the average power developed by a force…

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

Which of the following expressions gives the average power developed by a force during a time interval

\Delta t

? (a)

P_{\text{avg}}=\dfrac{\Delta K}{\Delta t}

(b)

P_{\text{avg}}=\dfrac{W}{\Delta t}

(c)

P_{\text{avg}}=\dfrac{\mathrm d W}{\mathrm d t}

(d)

P_{\text{avg}}=F v