Question

Forces acting on a particle have magnitudes 5N, 3N and IN act in the direction of vectors
6i+2j+zł,3i - 2j+ok and 2–33-6k respectively. If the particle displaces from a point
A(2,-1,-3) to B(5,-1,-1), then the work done is
[ ]
1
a) 100 J
177
b)
J
11
c) 70J
125
-J
3​

Answer 1

Answer:

I think the answer is c)