ASVAB Mechanical Comprehension Practice Test 627755

Question 4 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.

40 lbs. of effort is used by a machine to lift a 280 lbs. box. What is the mechanical advantage of the machine?
21
10.5
7
2