Kinematics Question 267

Question: A force F=(5i^+3j^) Newton it’s applied over a particle which d it’splaces it froM is origin to the point r=(2i^1j^) metres. The work done on the particle is [MP PMT 1995]

Options:

A) ? 7 J

B) +13 J

C) +7 J

D) +11 J

Show Answer

Answer:

Correct Answer: C

Solution:

W=F.r=(5i^+3j^)(2i^j^)=103=7 J.



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