Question

Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. How much mechanical advantage did the lever provide to Jeff in lifting the rock?

Answer 1

Answer: C) 4

Explanation: The mechanical advantage of the lever would be 4. To solve you would divide the resistance force by the effort force or

600 lbs.

150 lbs.

THIS IS CORRECT IF YOU DO NOT BELIEVE ME UR LOSS!

Answer 2

the mechanical advantage is 4