A crane lifts a mass of $100 k g$ to a height of $10 m$ in $20 s$ . The power of the crane is
(Take $g = 10 m s^{- 2})$ .

100 W

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

200 W

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

250 W

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

500 W

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

Open in App

Solution

The correct option is D $500 W$
Here, $m = 100 k g,$
$h = 10 m,$
$t = 20 s$
$g = 10 m s^{- 2}$
The power of the crane is'
$P = \frac{m g t}{t}$

$= \frac{(100 k g) (10 m s^{- 2}) (10 m)}{(20 s)} = 500 W$ .

Suggest Corrections

Similar questions

100 k g

10 m

20 s

g = 10 m s^{- 2})

A crane lifts a block of mass 1000 Kg through a vertical height of 15 m in 25 sec. Calculate the power of crane. Given g = 10 m/s².

100 k g

8 m

4 s

20 s

g = 10 m s^{- 2}

Join BYJU'S Learning Program