Mass of a block is 20 kg. A man of mass 60 kg raises it with constant velocity as shown in the figure. Force exerted by man on the floor will be :-

Question

Mass of a block is 20 kg. A man of mass 60 kg raises it with constant velocity as shown in the figure. Force exerted by man on the floor will be :- (A) 400 N (B) 600 N (C) 200 N (D) None of the above

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/55e85e67a1ac27259ad89e4ef8dd2de2-.png" /> T=20 kg w t=20 × g N F Net = W m - T =60 g -20 g =40 g =400 N

Q. Mass of a block is $20 k g$ . A man of mass $60 k g$ raises it with constant velocity as shown in the figure. Force exerted by man on the floor will be :-

400 N

600 N

200 N

None of the above

$T = 20 k g wt = 20 \times g N$
$F_{N e t} = W_{m} - T = 60 g - 20 g$
$= 40 g = 400 N$

Q. Mass of a block is 20kg. A man of mass 60kg raises it with constant velocity as shown in the figure. Force exerted by man on the floor will be :-