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An induction clutch works by - 🧠ANSWER ✔✔magnetism
If a first class lever with a resistance arm measuring 2 feet and an effort arm
measuring 8 feet are being used, what's the mechanical advantage? - 🧠ANSWER
✔✔Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4
The force produced when a boxer's hand hits a heavy bag and "bounces" off it is
called - 🧠ANSWER ✔✔recoil
If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2
make for every 10 revolutions Gear 1 makes? - 🧠ANSWER ✔✔r = DR/d,
r=16.6666
Springs used in machines are usually made of - 🧠ANSWER ✔✔steel
, A clutch is a type of - 🧠ANSWER ✔✔coupling
A single block-and-fall is called a - 🧠ANSWER ✔✔runner
The mechanical advantage of the block-and-tackle arrangement shown below is -
🧠ANSWER ✔✔2. Because this block-and-tackle arrangement merely changes the
direction of the pull, it has a mechanical advantage of only 2.
If a house key, a wooden spoon, a plastic hanger, and a wool jacket are all the
same temperature, which one feels the coldest? - 🧠ANSWER ✔✔The key will feel
coldest because metal is a better conductor than the other materials
A way to determine the amount of power being used is? - 🧠ANSWER ✔✔The
formula for determining power is Power = Work ÷ Time.
A wood tool, a silver tool, and a steel tool are placed in boiling water for cleaning.
Which tool gets the hottest? - 🧠ANSWER ✔✔Silver is the best conductor, so it
becomes hottest
If an alternator overcharges the battery, a likely explanation is - 🧠ANSWER
✔✔The voltage regulator isn't working properly