Question
Question: A body is lifted over route I and then route II such that force is always tangent to the path. Coeff...
A body is lifted over route I and then route II such that force is always tangent to the path. Coefficient of friction is same for both the paths. Work done
A
On both routes is same.
B
On route I is more.
C
On route II is more.
D
On both routes is zero.
Answer
On both routes is same.
Explanation
Solution
Work done, W =mgh + μmgl
Which is a constant.