Force applied by the gorilla to climb a tree is -lb.

Height of the tree is  ft.

(a)

Find the workdone if gorilla reaches that height in  seconds.

Work done formula:

Work done is defined to be the product of the force  and distance  that the object moves.

.

Here  pounds and  feet.

Irrespective of time period taken by the goriila to climb tree, work done is same in case of same distance.

Work done by gorilla is

.

Work done by gorilla is  feet-pounds.

(b)

Find the workdone if gorilla reaches that height in  seconds.

Work done formula:

Work done is defined to be the product of the force  and distance  that the object moves.

.

Here  pounds and  feet.

Irrespective of time period taken by the goriila to climb tree, work done is same in case of same distance.

Work done by gorilla is

.

Work done by gorilla is  feet-pounds.

(a) Work done by gorilla is  feet-pounds if gorilla takes  seconds to reach that height.

(b) Work done by gorilla is  feet-pounds if gorilla takes  seconds to reach that height.