Question
i need help i don't understand how to do this problem so please help me.
A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done on the chair.
A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done on the chair.
Answers
bobpursley
total work done: zero. He lifted the chair, and put it back down.
In the first, he did work against gravity. Then walking, he did no work. At the end, gravity did work on the chair: total: zero
In the first, he did work against gravity. Then walking, he did no work. At the end, gravity did work on the chair: total: zero
Related Questions
I don't really understand these questions and their processes. And I am a bit iffy on redox reaction...
Please Help me understand how to work this problem. I have been working on this problem for several...
The conventional problem-solving strategies usually taught have been:
A. act out the problem, mak...
This problem might be a little hard to understand because it was translated from Spanish, if you und...