Physics, asked by aashukatotiya423, 11 hours ago

A body of mass 5kg is lifted vertically at a constant velocity of 12m. Calculate a) the force applied b) work done in lifting the body c) what happens to the work performed ? Class 9th Worksheet physics chapter4 work and energy.

Answers

Answered by vikkiain
2

Answer:

a) 50N

b) 360J

c) Kinetic energy is converted into potential energy.

Explanation:

m = 5kg, and v = 12m/s

Now,

a) F = mg = 5kgx10m/ = 50N

b) work = 1/2.mv² = 1/2 x 5 x 12² J = 360J

c) Kinetic energy is converted into potential energy.

Answered by souravku056
1

Explanation:

that's the answer in the attachment

Attachments:
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