A horizontal force of 22 lb is required to just start a 50-lb block in motion on a horizontal surface. Determine the coefficient of static friction between the block and the supporting surface?
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A horizontal force of 22 lb is required to just start a 50-lb block in motion on a horizontal surface. Determine the coefficient of static friction between the block and the supporting surface?
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- A force of 62,125 pounds pulls on a steel rod that has a diameter of 1800 inches. Find the force pulling on 1 square inch of the cross-sectional area. Round the answer to the nearest pound.a winch lifts a bag of sand of mass 12kg from the ground with a constant force of 240N until it reaches a speed of 10m/s. Then the winch provides a force to keep the bag moving at constant speed. Find the time taken to reach the height of 40m.Consider a flat metal plate to be placed vertically underwater with its top 2m below the surface of the water. Determine a shape for the plate so that if the plate is divided into any number of horizontal strips of equal height, the hydrostatic force on each strip is the same.
- A rectangular plate is 4 feet long and 2 feet wide. It is submerged vertically in water with the upper 4 feet edge parallel to and 3 feet below the surface. Find the magnitude of the resultant force against one side of the plate.A firework of mass 0.4 kg is fired vertically upwards with initial speed 40 m/s. The firework itself provides a force of 2 N upwards. The firework explodes after 6s. Find the height at which it explodes.Eighteen foot-pounds of work is required to stretch a spring 4 inches from its natural length. Find the work required to stretch the spring an additional 3 inches.Use Hooke's Law to determine the variable force in the spring problem. Work done
- The gravitational force on a 10 kg object at a distance r meters from the center of the Earth is F = Newtons. Find the work done in moving the object from the surface of the Earth to a height 106 meters above the surface. The radius of the Earth is 6.4 × 106 meters. 4 x 1015 p²A stream of water flowing horizontally with a speed of 15ms- gushes out of a tube of cross-sectional area 10-2m? , and hits a vertical wall nearby. What is the force exerted on the wall by the impact of water, assuming it does not rebound?A rectanglar window of height 5 feet and width 15 feet is on the side of a tank in an aquarium (so the tank is full of water). The top of the window is at a depth of 3 feet in the tank. Find the total force of water on the window.
- YOU DON'T USE ARTIFICIAL INTELLIGENCE, PLEASE GIVE ME THE SOLUTION TO HAND, LEGIBLE THANKS!A ski jumper travels down a slope of the height H and leaves the ski track moving in the horizontal direction. The only force acting on the ski jumper is gravity. Find the height of the ski track h at which the ski jumper flies the longest distance.
