Mechanical Comprehension

Question 1

An induction clutch works by

Answer 1

magnetism

Question 2

Air pressure at sea level is about 15 psi. What’s the amount of force exerted on the top of your head, given a surface area of 24 square inches?

Answer 2

360 pounds

Question 3

The force produced when a boxer’s hand hits a heavy bag and bounces off it is called

Answer 3

recoil

Question 4

Springs used in machines are usually made of

Answer 4

steel

Question 5

A clutch is a type of

Answer 5

coupling

Question 6

A single block-and-fall is called a

Answer 6

runner

Question 7

A house key, a wooden spoon, a plastic hanger, and a wool jacket are all the same temperature. On a cool day, which one feels the coldest

Answer 7

key

Question 8

A way to determine the amount of power being used is to

Answer 8

divide the amount of work done by the amount of time it takes

Question 9

A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool will get hot the fastest?

Answer 9

silver