JEE Main Physics question
A force vector applied on a mass is represented as F⃗ = 6î − 8ĵ + 10k̂ and it accelerates with 1 m/s². What will be the mass of the body?
Answer: (A)
Solution
|F| = √(6²+8²+10²) = √(36+64+100) = √200 = 10√2 N. m = |F|/a = 10√2/1 = 10√2 kg.