In physics, a mechanical device that is able to change the direction or magnitude of a force is called a simple machine. So, here we are with this test that contains 28 questions of the topic. If you are that genius who can play...
Questions: 28 | Attempts: 5897 | Last updated: Aug 31, 2020
This is an example to what Class Lever?
Questions: 10 | Attempts: 3972 | Last updated: Sep 29, 2020
When a fixed pulley is used to lift a load and the effort is 30N, what is the effort required to lift it using a single movable pulley system?
Simple machines are devices or tools with few or no mechanical moving parts or tools that make work more comfortable, like a wedge, wheel, axle, lever, pulley, etc., which are used in construction purposes since time immemorial....
Questions: 10 | Attempts: 3183 | Last updated: Feb 22, 2021
How many classes of levers are there?