A worker does work of 360 J against a friction force of 20 N in pushing a body with a uniform velocity for 4.5 s find the value of velocity?
a worker does work of 360 J against a friction force of 20 N in pushing a body with a uniform velocity for 4.5 s find the value of velocity
a worker does work of 360 J against a friction force of 20 N in pushing a body with a uniform velocity for 4.5 s find the value of velocity
1 Answer
Apr 20, 2018
Explanation:
To maintain a net force of
Given that the work done is
and the force applied is
And since this distance is covered at a constant velocity: