Asked by little kakashi hatake

you do 185 J of work pulling a cart
up a ramp. if the ramp does 153 J of work,what is the efficient of the ramp?
A)82.7 percent
B)121.0 percent
C)32.0 percent
D)338.0 percent
Answered by bobpursley
what is 153/185 ? Technically, the ramp does not do work, it absorbs energy (work) as friction.
Answered by Anonymous Wolfy
Your putting pressure and weight on the ramp so technically the ramp is working.
Answered by Anonymous Wolfy
oh and I think the answer is 121.0 if not then it might be 82.7
Answered by Abe
It’s A
The answers for the full test are
1.A
2.C
3.A
4.A
5.D
Answered by Anonymous
Test answers
B
C
A
A
D