A point of application of a force F⃗ = 5î− 4ĵ+ 2k̂ is moved from r⃗1 = 2î+ 7ĵ+ 4k̂ to r 2 = 5î+ 2ĵ+ 3k̂ the work done is

April 20, 2022

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Physics Problems

Question : A point of application of a force F⃗ = 5î− 4ĵ+ 2k̂ is moved from r⃗1 = 2î+ 7ĵ+ 4k̂ to r 2 = 5î+ 2ĵ+ 3k̂ the work done is

(A) 22 units

(B) -22 units

(D) -33 units

Answer : option (A)

Solution :

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