calculus help please Consider a beam of length L with a fulcrum x feet from one

Question

calculus help please

Consider a beam of length L with a fulcrum x feet from one end (see figure). There are objects with weights W1 and W2 placed on opposite ends of the beam. Find x such that the system is in equilibrium. Two children weighing 56 pounds and 84 pounds are going to play on a seesaw that is 10 feet long. x = ft Need Help? Find the buoyant force of a rectangular solid of the given dimensions submerged in water so that the top side is parallel to the surface of the water. The buoyant force is the difference between the fluid forces on the top and bottom of the solid. (The weight-density of water is 62.4 pounds per cubic foot.) lb Determine the work done by the constant force when an electric hoist lifts a 3000 pound car 8 feet. ft-lb Need Help?

Explanation / Answer

work done = FS

= 3000 * 8 = 24000 ft-lb

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