# 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.

, 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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