Question

Many simple machines apply _ force on the object
Atmosphere retains _ and block out the_​

Answer 1

Answer:

1. 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. Six simple machines for transforming energy into work.

2) Atmosphere retains terrestrial radiation and blocks out the harmful UV rays of the Sun.

Explanation:

here is the actual Answer