A force F = 3i + 4j Newtons displaces a body by d = 2i + 3j meters. What is the work done by the force?
Q1. A force F = 3i + 4j Newtons displaces a body by d = 2i + 3j meters. What is the work done by the force?
Answer: 18 J
Explanation: Work is the dot product F.d = (3*2) + (4*3) = 18. Option B is incorrect because it adds components without multiplying.