You visited us 1 times! Enjoying our articles? Unlock Full Access!

Work Energy Theorem

A constant fo...

Question

A constant force F is applied on a body at rest. The power (P) generated is related to the time elapsed (t) as

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

$F = \frac{m d v}{d t} ∴ F d t = m d v \Rightarrow v = \frac{F}{m} t$

$N o w P = F \times v = F \times \frac{F}{m} t = \frac{F^{2} t}{m}$ If force and mass are constants then $P \propto t$

Suggest Corrections

Similar questions

A force acting on a body produces a constant acceleration. The equation written is as follows:

$F = K m \times \frac{(V - U)}{t}$

F- Force; K-constant;

m- mass; V- final velocity

U- initial velocity; t- time taken

a- acceleration; P- momentum

The equation can also be written as___ .

(P)

(t)

t \leq t_{0}

^{'} P \times Q - T^{'}

^{'} P + Q \times T^{'}

10 N

2 m

(T)

(P)

Join BYJU'S Learning Program