The value of MA in the third class lever is alaways less than one, why

What is the fate of the electrons that interact with a specimen in an electron microscope?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?