Question

Let us assume that you have lifted a suitcase and kept it on a table. On which of the following does the work done by you depend or not depend? Why?
a) The path taken by the suitcase.
b) The time taken by you in doing so.
c) The weight of the suitcase.
d) Your weight.

Answer 1

I have lifted a suitcase and kept on the table. in this process I used muscular force .and you know muscular forces are non conservative force. and non conservative force dependence on path. but independent upon time takes.

hence, option '(c) time taken by you in doing so.'is correct