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
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/s² = 50N
b) work = 1/2.mv² = 1/2 x 5 x 12² J = 360J
c) Kinetic energy is converted into potential energy.
Answered by
1
Explanation:
that's the answer in the attachment
Attachments:
Similar questions