A cable exerts a constant upward tension of magnitude 2.58 x 10^4 N on a 2.40 x 10^3 kg elevator as it rises through a vertical distance of 1.90 m. (a) find the work done by the tension force on the elevator (in j) (b) find the work done by the force of gravity of the elevator (in j)

A cable exerts a constant upward tension of magnitude 1.66 ✕ 104 N on a 1.40 ✕ 103 kg elevator as it rises through a vertical distance of 2.30 m. (a)Find the work done by the tension force on the elevator (in J).   (b) Find the work done by the force of gravity on the elevator (in J).

A cable exerts a constant upward tension of magnitude 2.70 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it rises through a vertical distance of 2.90 m. HINT (a) Find the work done by the tension force on the elevator (in J).  J (b) Find the work done by the force of gravity on the elevator (in J).  J

A tension force of 175 N inclined at 20.0 degree above the horizontal is used to pull a 40.0-kg packing crate a distance of 6.00 m on a rough surface. If the crate moves at a constant speed, find (A) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface.

A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.44 m/s. The pulling force is 104 N parallel to the incline, which makes an angle of 19.5° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.92 m. (a) How much work is done by the gravitational force on the crate? -152.37 J (b) Determine the increase in internal energy of the crate-incline system owing to friction. 471.0 X A careful free-body diagram of the crate may help you determine the magnitude of the friction force. J (c) How much work is done by the 104-N force on the crate? 511.68 J (d) What is the change in kinetic energy of the crate? 184.95 J (e) What is the speed of the crate after being pulled 4.92 m? 6.47 m/s

A man returning from ice fishing trip pulls a sled with fish. Total mass of the sled and  fish is 50.0 kg. (b) Suppose the coefficient of kinetic friction between sled and snow is 0.20. The man pulls the sled 5.0 m by exerting a force of 120 N at 0°. Find the work done by force of frictional.

A 62.7-kg skier coasts up a snow-covered hill that makes an angle of 20.4 ° with the horizontal. The initial speed of the skier is 8.61 m/s. After coasting a distance of 2.21 m up the slope, the speed of the skier is 4.14 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force?

A person pulls a 26 kg package with a cord, on an icy path at constant velocity, on level ground.  The cord makes a 20.0 degree angle with the ground.  If the coefficient of friction between the package and the ground is 0.16, and the package moves for 120 m, (a) find the work done by the tension in the cord, and (b) the work done by the friction.

A block of mass m = 4.00 kg is pushed a distance d = 2.50 m along a frictionless horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle θ = 28.0° below the horizontal as shown in the figure below. (a)Determine the work done by the net force on the block.

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.