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- Physics For an elevator model: Coefficient of friction for lubricating oil = 0.1 (Nms) Mass of elevator car = 1000 kg Maximum mass of passenger = 500kg Gravity = 9.81 m/s^2 Radius of motor = 0.1 m What is the proper counterweight for this model?An object weighs 100.0 N on the surface of the earth, the radius of which is R. If the object is raised through a distance R above the surface of the earth, it will weigh: A 25.0 N B 50.0 N C 200 N D 20 N 24.The towers holding small wind turbines are often raised and lowered for easy servicing of the turbine. (Figure 1) shows a 900 kg wind turbine mounted on the end of a 24-m-long, 700 kg tower that connects to a support column at a pivot. A piston connected 3.0 m from the pivot applies the force needed to raise or lower the tower. At the instant shown, the wind turbine is being raised at a very slow, constant speed. Figure 75° [[5] 10° 1 of 1 What magnitude force is the piston applying? Express your answer with the appropriate units. Fp= = Submit HÅ Value Provide Feedback Request Answer Units ?
- A weight hangs on a 1.0 m long rope. How high does it rise if we push it from a resting position at a speed of 1.0 m/s in the horizontal direction? At what speed do we have to push it so it makes a whole turn? The rope is taut the whole time? (The solution is 5.1 cm; 7.0 m / s)You are a bully. You pin a 48 kg dweeb to a wall so that his feet aren't touching the ground. Your arm is extended so that it makes an angle 28 degrees with the horizontal. The dweeb's back is so sweaty with fear that there is no friction between his back and the wall. What is the magnitude of the force , in N, you must apply to keep the dweeb in equilibrium? (Use g = 10 m/s2) This scenario is represented schematically below. Unfortunately for you, years later the dweeb is your boss and he makes your life miserable. (Please answer to the fourth decimal place - i.e 12.3445)8:26 2. Use three decimal places and set your calculator in the 3. Enclosed the final answers in a rectangular box. ILIBRE NYO KO PROBLEM OI. 300KN box resting on an inclined surface is held in position by a force P acting as shown. If the angle of friction between the contact surfaces is 10°, determine the maximum and minimum values of this force P to maintain equilibrium. 300KN BOX P 15⁰ More