Question

Is physical balance example of a simple machine?
Where can you use an inclined plane?
Give an example of a machine which helps to gain speed.
Please solve these. ​

Answer 1

Simple machine, any of several devices with few or no moving parts that are used to modify motion and the magnitude of a force in order to perform work. They are the simplest mechanisms known that can use leverage (or mechanical advantage) to increase force. The simple machines are the inclined plane, lever, wedge, wheel and axle, pulley, and screw.