ASVAB Mechanical Comprehension Practice Test 652714

Question 1 of 5
Mechanical Advantage

Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Such a device utilizes input force and trades off forces against movement to amplify and/or change its direction.

70 lbs. of effort is used by a machine to lift a 490 lbs. box. What is the mechanical advantage of the machine?
14
8.5
9
7