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Answer: The car would move to the right with 150 n of force. the 150 n of force from friction and air resistance slows the car from moving to the right with 300 n of force.
Explanation:
Answer:
The workdone by Jack is
The workdone by Jill is
The final velocity is
Explanation:
From the question we are given that
The mass of the boat is
The initial position of the boat is
The Final position of the boat is
The Force exerted by Jack
The Force exerted by Jill
Now to obtain the displacement made we are to subtract the final position from the initial position
Now that we have obtained the displacement we can obtain the Workdone
which is mathematically represented as
The amount of workdone by jack would be
The amount of workdone by Jill would be
According to work energy theorem the Workdone is equal to the kinetic energy of the boat
Answer:
W = 0 :The work done on the wall is zero,because the wall is not moving
Explanation:
Work theory
Work is the product of a force applied to a body and the displacement of the body in the direction of this force.
W= F*d Formula (1)
W: Work (Joules) (J)
F: force applied (N)
d=displacement of the body (m)
The work is positive (W+) if the force goes in the same direction of movement.
The work is negative (W-)if the force goes in the opposite direction to the movement
Data
F= 400-N
d= 0
Problem development
We apply formula (1) to calculate the work done on the wall:
W= 400*0
W=0