a 40kg barrel is rolled up a 10 meter long ramp to a height of 5 meters
1-how much does the barrel weight
2-if the person exerted an effort force of 250 newtons to roll the barrel along the ramp, what is the efficiency of the ramp?
Got an answer for sunny78? Would you like to comment on the posted answers, or vote for the one which you think is the best?
Sign up for a free account, or sign in (if you're already a member).
Other people asked questions on similar topics, check out the answers they received: