A 5.0 kg mass is initially sitting on the floor when it is lifted onto a...

Question

Question

A 5.0 kg mass is initially sitting on the floor when it is lifted onto a table 1.15 meters high at a constant speed.

a) How much work will be done in lifitng this mass onto the table?

b) What will be the gravitational potential energy of this mass, relative to the floor, once it is placed on the table?

c) What was the initial gravitational potential energy, relative to the floor, of this mass while sitting on the floor?

Answer 1

Answer #1

1)

mgh = work done = 5*1.15 *9.8=56.35 J

2) IT is same as above = 56.35 J

3) it is 0

Answer 2

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