Find the value of work done if force 2 N displace crate by 1 m
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- A 10 ft chain weighs 35 lb and hangs from a ceiling. Find the work done (in ft-lb) in lifting the lower end of the chain to the ceiling so that it's level with the upper end.A train has a weight of 100 tons (2,000lbf) is stopped from 4 mph in 1 ft by a hydraulic cushion.If rolling friction is 0.05 of the car weight, Find: • The stopping force using the gs method • The stopping force using the energy methodA 200 N block slides down at an inclined surface at an angle of 50 degrees with the horizontal. Neglecting friction, find the force that causes the block to slide.
- An engine has an input of 90 horsepower and uses 8% of its input power to overcome friction and other losses. Find the available horsepower at the output if the output - input - losses.A cable that weights 2 lb / ft is used to lift 800 lb of coal up a mineshaft 500 ft deep.Find the work done.Find the internal forces as a function of θ.
- A cable that weighs 6 lb/ft is used to lift 500 lb of coal up a mine shaft 350 ft deep. Find the work done.A force of 98 N is applied to the input piston of a hydraulic system. The area of the input piston is 22 cm2, and that of the output piston is 70 cm2. Find how far the output piston moves if the input piston moves 2 cm per stroke.A hydraulic car list has an actual mechanical advantage of 50. The mechanic using it applies a force of 48N to on the handle and lifts a car 1.5m off the shop floor. How much does the car weigh?
- If an elevator raise 3 meter with force of 500 kg with diameter of the cylinder is 12 cm and the diameter of the piston is 8 cm. 1.find the pressure that the elevator needs to raise this force. 2.find the speed in m/s. 3.find the factor of safty.an electric motor driven conveyor belt is required to take 2,200 pounds of dirt, rocks per minute from an excavation site and raise it 15 ft vertically. If all friction in the machinery is neglected, what HP of motor is required?2: Find the acceleration of the three weights shown in fig. Assume pulleys are frictionless. Also find the tension in the cables. 200 N 40 N 60 N