5. No work is done when
(a) a donkey is carrying a load on its back
(b) an engine is pulling a train
(c) a sail boat is moving due to wind energy
(d) A windmill is lifting water from a well
Answers
Answered by
2
Answer:
I think option C means a sail boat is moving due to wind energy
Answered by
1
Answer:
a donkey is carrying a load on its back because when angle is 90°then workdone is zero in the term of physics
Similar questions