The figure below shows a person pushing a box with a force of 8.2 N over a displacement of 4.5 m. Determine the work done on the box by the person.
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The figure below shows a person pushing a box with a force of 8.2 N over a displacement of 4.5 m. Determine the work done on the box by the person.
The work done by a force in producing a displacement is given by,
where is the angle between the force and displacement.
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- The force acting on a particle varies as in the figure below. (The x axis is marked in increments of 1.50 m.) Find the work done by the force as the particle moves across the following distances. (a) from x = 0 m to x = 12.0 m (b) from x = 12.0 m to x=18.0m (c) from x = 0 m to x=18.0mThe figure below shows a person lifting a box with a mass (m) of 13.5 kg a height (h) of 1.3 m. Determine the work done on the box by the earth (gravitational force).A person carries a 35.0 N rock through the path shown in the figure, starting at A point and ending at point B . The total time it took the person to go from A to B is 15.0 min. How much work did gravity do on the rock between A and B?
- the force acts on an object, causing it to move parallel to the force. The graph in the figure shows this force as a function of the position of the object. How much work does the force do on the object as it moves from 4m to 6m?The figure below shows a person pushing a box with a force of 2.2 N over a displacement of 2.5 m. Determine the work done on the person by the box in Joules.A force of 12.0 N acts on a 4.6 kg object through a parallel distance of 1.6 m. How much work is done on the object? Your Answer:
- A force of 16 lb is required to hold a spring stretched 2 in. beyond its natural length. How much work W is done in stretching it from its natural length to 8 in. beyond its natural length? W = ft-lbA crate is placed at the upper end of the 2.0 m long ramp that is inclined at 20° to the horizontal and allowed to slide down the ramp starting from rest. The crate has a mass of 150 KG and the coefficient of kinetic friction between the crate and then incline is 0.25. Draw a diagram showing all the forces acting on the crate. How much work is done by the gravity on the crate during the slide? How much work is done by friction during the slide? Use the work energy theorem to calculate the speed attained at the bottom of the ramp.Also,Which force does no work during the slide, and why?The graph (attached) shows the x component of a force that acts on an object that moves on the x axis. The vertical spacing between adjacent grid lines is 2.75 N, while the horizontal spacing between adjacent grid lines is 1.0 m. What is the work done by the force, in joules, as the object moves from x=1m to x=8m?
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