Simple Machines Quiz

The six simple machines are ____.

• lever, pulley, screwdriver, electric drill, hammer, and wrench

• inclined plane, wedge, screw, hammer, screwdriver, and wrench

• wheel and axle, wedge, lever, pulley, screw, and scissors

• lever, pulley, wheel and axle, inclined plane, wedge, and screw

In a Class 1 lever ____.

• the fulcrum is between the effort and the resistance

• the effort is between the fulcrum and the resistance

• the resistance is between the effort and fulcrum

• both effort and the resistance are to the left of the fulcrum

In a Class 2 lever ____.

• the effort is between the fulcrum and the resistance

• the fulcrum is between the effort and the resistance

• the resistance is always greater than the effort

• the resistance is between the effort and fulcrum

In a Class 3 lever ____.

• the resistance is always greater than the effort

• the resistance is between the effort and fulcrum

• the fulcrum is between the effort and the resistance

• both the effort and the resistance are to one side of the fulcrum

The turning force acting on a lever is called a ____.

• movement

• resistance

• moment

• twist

A linkage is a(n) ____.

• simple machine used to move a mass

• electrically powered device

• system of levers used to transmit motion

• pair of levers connected in a straight line

A pulley is a special kind of ____.

• wheel and axle

• inclined plane

• Class 1 lever

• Class 3 lever

In a single, movable pulley system, _____.

• the effort required is half the resistance

• the effort must be four times the resistance

• there is no mechanical advantage

• the effort required is equal to the resistance

The disadvantage of a single, movable pulley is that the _____.

A simple gear train contains a drive gear with 25 teeth and a driven gear with 125 teeth. How many times must the drive rotate for the driven to rotate once?

• 1

• 5

• 6

• 10