An induction clutch works by
magnetism
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?
360 pounds
The force produced when a boxer’s hand hits a heavy bag and bounces off it is called
recoil
Springs used in machines are usually made of
steel
A clutch is a type of
coupling
A single block-and-fall is called a
runner
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
key
A way to determine the amount of power being used is to
divide the amount of work done by the amount of time it takes
A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning. Which tool will get hot the fastest?
silver
