PULLEYS AND LIFTING EXAM QUESTION
V. Ryan © 2004
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1. The pulley system is used to lift small loads from aground floor to an upper floor. The load being lifted is 200N. |
| 1a. What is the mechanical advantage of this pulley system ? | |
| 1b. What is the velocity ratio of the system ? | |
| 1c.What effort is required to lift the load ? | |
| 1d. If the system moves the load 5metes upwards, how far must the effort move ? | |
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1e. With the aid of a diagram, describe how the pulley wheel at the top of the pulley system could be fixed in position, with enough strength to hold heavy weights. |
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