lever
Levers can multiply force or distance. This topic is part of Simple Machines within Science & Nature. This page currently draws on 7 supporting questions, with answers and bonus facts available below.
lever trivia questions
A lever pivots around a fixed point called what?
Answer: Fulcrum
Bonus fact: Levers can multiply force or distance.
A seesaw is an example of what class of lever?
Answer: First-class lever
Bonus fact: The fulcrum lies between effort and load.
In a second-class lever, what lies between the fulcrum and effort?
Answer: Load
Bonus fact: A wheelbarrow is a classic second-class lever.
What part of a claw hammer is used to pull nails?
Answer: Claw
Bonus fact: The curved claw on the rear of the head can grip and lever out nails.
Which simple machine is a rigid bar that pivots around a fulcrum?
Answer: Lever
Bonus fact: Levers trade force for distance around a pivot.
What simple machine principle gives pliers mechanical advantage?
Answer: Lever
Bonus fact: The handles act as levers around a pivot.
How many classical simple machines are commonly taught?
Answer: Six
Bonus fact: They are lever, wheel and axle, pulley, inclined plane, wedge, and screw.