Question

A man weighing 50 Kg carries a load of 10 Kg to
the top of the building in 4 minutes. The work done
by the man is 6 x 10^ J. If he carries the same load
in 8 minutes, the work done by the man will be-
(1) 1.5 x 104 J (2) 3 x 10'J
(3) 6 x 104 J
(4) 12 x 104J​

Answer 1

A man weighing 50 Kg carries a load of 10 Kg to

the top of the building in 4 minutes. The work done

by the man is 6 x 10^ J. If he carries the same load

in 8 minutes, the work done by the man will be-

(1) 1.5 x 104 J

(2) 3 x 10'J✔️✔️✔️

(3) 6 x 104 J

(4) 12 x 104J

Answer 2

Answer:

Mgh=60×10×100

Mgh=60×10×100 6×10^4

Explanation:

It is same because work is not dependent On time