Work - Example 7.1-1

 

Choose the simplest work equation for each of the following situations.

 

A) U_1-2 = ∫F⋅dr_1-2

B) U_1-2 = ∫Fdr_1-2

C) U_1-2 = F⋅Δr_1-2 = Fcosθ d_1-2

D) U_1-2 = Fd_1-2

 

Work equation	F is constant	F is in the direction of r
A      B C D	Yes	No
A      B C D	Yes	Yes
A      B C D	No	No
A      B C D	No	Yes