Answer to Question #62363 in Mechanical Engineering for abhinav

Question #62363

The position vector of an object of mass m moving along a curve is given by
, 0 1
ˆ cos ˆ
sin ˆ
( )
2
r t = at i + bt j+ bt k ≤t ≤
r
, where a and b are constants. Calculate the force
acting on the object and the work done by the force.

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