# Question: If a person does 50 J of work in moving

If a person does 50 J of work in moving a 30-kg box over a 10-m distance on a horizontal surface, what is the minimum force required?

## Answer to relevant Questions

A crate is dragged 3.0 m along a rough floor with a constant velocity by a worker applying a force of 500 N to a rope at an angle of to the horizontal. (a) How many forces are acting on the crate? (b) How much work does ...A man pushes horizontally on a desk that rests on a rough wooden floor. The coefficient of static friction between the desk and floor is 0.750 and the coefficient of kinetic friction is 0.600. The desk’s mass is 100 kg. He ...A certain amount of work is required to stretch a spring from its equilibrium position. (a) If twice the work is performed on the spring, the spring will stretch more by a factor of (1) √2 (2) 2, (3) 1√2 (4) 1/2. Why? ...A 0.20-kg object with a horizontal speed of hits a wall and bounces directly back with only half the original speed. (a) What percentage of the object’s initial kinetic energy is lost: (1) 25%, (2) 50%, or (3) 75%? (b) ...You are told that the gravitational potential energy of a 2.0-kg object has decreased by 10 J. (a) With this information, you can determine (1) the object’s initial height, (2) the object’s final height, (3) both the ...Post your question