1. A girl uses a lever to lift a box. The box has a resistance force of...
Question:
1. A girl uses a lever to lift a box. The box has a resistance force of 250 N while she exerts an effort force of 125 N. What is the mechanical advantage of the lever?
2. A bicycle requires 1575 N m of input but only puts out 1150 N m of work. What is the bicycle’s efficiency?
3. A lever uses an effort arm of 2.75 m and has a resistance arm of 72.0 cm. What is the lever’s mechanical advantage?
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1 MA F R F E 250N 125 ...View the full answer
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Related Book For
Applied Physics
ISBN: 978-0132109277
10th Edition
Authors: Dale ewen, Neill schurter, P. erik gundersen
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