You have to shift a heavy box in the store room.Which method you will use to reduce your effort and why?

Asked by gspublicschool | 29th Oct, 2019, 11:42: AM

Expert Answer:

Rollers, ball bearings can be used to shift the heavy box as rollling friction is less than the sliding friction.

Answered by  | 29th Oct, 2019, 01:30: PM