A 1168 kg car rolls a distance of 5.79 m downward along a slope that makes an angle of 30.0∘ with the horizontal. The work done by the force of gravity is

A dock worker pushes am = 2.20 kg bin a distance d = 2.40 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle 0 = 20.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) (a) Determine the work done on the bin by the applied force (the force on the bin exerted by the dock worker). (b) Determine the work done on the bin by the normal force exerted by the floor. (c) Determine the work done on the bin by the gravitational force. (d) Determine the work dong by the net force on the bin.

A block of mass m = 2.50 kg is pushed d = 2.80 m along a frictionless horizontal table by a constant applied force of magnitude F = 15.0 N directed at an angle 8 = 25.0° below the horizontal as shown in the figure below. m (a) Determine the work done by the applied force. (b) Determine the work done by the normal force exerted by the table. (c) Determine the work done by the force of gravity. J (d) Determine the work done by the net force on the block.

A 97.5-kg man pushes a crate 4.5 m up along a ramp that makes an angle of 17.5° with the horizontal. He exerts a force of 495 N on the crate parallel to the ramp and moves it at a constant speed. Calculate the work, in joules, that the man performs to cause the crate and himself to move up the ramp.

A woman pushes a m = 2.00 kg carton a distance d = 6.40 m along the floor by a constant force of magnitude F = 16.0 N directed at an angle 0 = 26.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) m (a) Determine the work done on the carton by the applied force (the force on the carton exerted by the woman). J (b) Determine the work done on the carton by the normal force exerted by the floor. J (c) Determine the work done on the carton by the gravitational force. J (d) Determine the work done by the net force on the carton. J

A 28-kg block is pulled along the ground for a distance of 5.1 m by an 85 N force at an angle of 21 degrees with respect to the horizontal. The coefficient of kinetic friction is 0.22.  Find the work done (in J) by the force of friction.   Find the work done (in J) by the force of friction.

A horizontal force of 150 N is used to push a 40.0-kg packing crate a distance of 6.00 m on a rough horizontal surface. If the crate moves at constant speed, find (a) the work done by the150-N force and (b) the coefficient ofkinetic friction between the crate and surface.

A 90.0 N box of papayas is pulled 10.0 m along a level surface by a rope. If the rope makes an angle of 20.0° with he surface, and the force in the rope is 75.0 N, how much work is done on the box?

A 2,200-kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 4.60 m before coming into contact with the top of the beam, and it drives the beam 15.0 cm farther into the ground as it comes to rest. Using energy considerations, calculate the average force the beam exerts on the pile driver while the pile driver is brought to rest. magnitude X N direction |upward

A man pushes a m = 4.00 kg bin a distance d = 3.40 m along the floor by a constant force of magnitude F = 16.0N directed at an angle 6 = 30.0° below the horizontal as shown in the figure. Assume the floor is frictionless. (Enter your answers in joules.) m (a) Determine the work done on the bin by the applied force (the force on the bin exerted by the man). (b) Determine the work done on the bin by the normal force exerted by the floor. (c) Determine the work done on the bin by the gravitational force. (d) Determine the work done by the net force on the bin.