c) What is the minimum force needed to lift the load, if it is 6 feet...
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c) What is the minimum force needed to lift the load, if it is 6 feet from the fulcrum and force is applied 3 feet from the fulcrum? Assume a class 3 lever. 14 5. A lever 9m long has its fulcrum at one end. An object with a mass of 60kg rests on the lever, 2m from the fulcrum. Calculate the force in Newtons required to lift the object. 14 6. Calculate the MA and output force of the brake pedal lever in the diagram. MASTER CYLINDER I FULCRUM LEVER 3IN. Output Force = ? /4 10-LB FORCE 13.5 IN 3. If the mechanical advantage (MA) = 0.25, how many pounds of force do you need to put on the effort arm, in order to lift a box which weighs 500 pounds? 4. A plank 10 feel long is used to lift a load of 200lb. (Hint - draw out lever diagrams for each scenario) a) What is the minimum force needed to lift the load, if it is 3 feet from the fulcrum? Assume a class one lever and 10 feet between applied effort and load. b) What is the minimum force needed to lift the load, if it is 3 feet from the fulcrum? Assume a class two lever and the fulcrum is 1 foot from the end. 13 /4 /4 8. 10 lb of force is applied to the clutch pedal, the distance from the pedal to the fulcrum is 36cm and the distance from the fulcrum to the master cylinder connection is 9cm. The hydraulic system increases the force applied to it by a factor of 5 (5x). The clutch fork has an input arm of 32cm and an output arm of 18cm. Clutch master cylinder /14 Fout Clutch fork Hydraulic line Clutch slave cylinder Fout Pedal Calculate and answer the following (use the additional page to complete your calculations): HINT - make a data list for each section/lever before doing calculations. PROVIDE STATEMENTS a) Clutch pedal MA (3 marks) b) Force applied to master cylinder (3 marks) c) What class lever is the clutch pedal? (1 mark) d) Input force to clutch fork lever (2 marks) e) Clutch fork lever output force (4 marks) f) What class lever is the clutch fork lever? (1 mark) c) What is the minimum force needed to lift the load, if it is 6 feet from the fulcrum and force is applied 3 feet from the fulcrum? Assume a class 3 lever. 14 5. A lever 9m long has its fulcrum at one end. An object with a mass of 60kg rests on the lever, 2m from the fulcrum. Calculate the force in Newtons required to lift the object. 14 6. Calculate the MA and output force of the brake pedal lever in the diagram. MASTER CYLINDER I FULCRUM LEVER 3IN. Output Force = ? /4 10-LB FORCE 13.5 IN 3. If the mechanical advantage (MA) = 0.25, how many pounds of force do you need to put on the effort arm, in order to lift a box which weighs 500 pounds? 4. A plank 10 feel long is used to lift a load of 200lb. (Hint - draw out lever diagrams for each scenario) a) What is the minimum force needed to lift the load, if it is 3 feet from the fulcrum? Assume a class one lever and 10 feet between applied effort and load. b) What is the minimum force needed to lift the load, if it is 3 feet from the fulcrum? Assume a class two lever and the fulcrum is 1 foot from the end. 13 /4 /4 8. 10 lb of force is applied to the clutch pedal, the distance from the pedal to the fulcrum is 36cm and the distance from the fulcrum to the master cylinder connection is 9cm. The hydraulic system increases the force applied to it by a factor of 5 (5x). The clutch fork has an input arm of 32cm and an output arm of 18cm. Clutch master cylinder /14 Fout Clutch fork Hydraulic line Clutch slave cylinder Fout Pedal Calculate and answer the following (use the additional page to complete your calculations): HINT - make a data list for each section/lever before doing calculations. PROVIDE STATEMENTS a) Clutch pedal MA (3 marks) b) Force applied to master cylinder (3 marks) c) What class lever is the clutch pedal? (1 mark) d) Input force to clutch fork lever (2 marks) e) Clutch fork lever output force (4 marks) f) What class lever is the clutch fork lever? (1 mark)
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