Simple Machines

Question 1

What are 6 simple machines?

Answer 1

Wheel and axle
Pulley
Wedge
Pry bar
Screw
Inclined plane

Question 2

Helps lift heavy items higher with less force, such as a crowbar lifting a large cast iron lid.

Answer 2

Lever

Question 3

Helps apply force to a specific area by focusing the pressure such as an axe splitting a tree

Answer 3

A wedge

Question 4

Loading dock ramp, helps move heavy items up vertical distances with less force.

Answer 4

Inclined plane

Question 5

Allows the use of rotational force around an axis to assist with applying force.

Answer 5

A wheel and axle

Question 6

An inclined plane wrapped around an axis and allows more force to be applied by extending the distance of the plane.

Answer 6

Screw

Question 7

An application of a wheel and axle with the addition of cords or ropes has it helps move objects vertically

Answer 7

Pulley

Question 8

What is mechanical advantage formula?

Answer 8

Mechanical Advantage = (Output force)/(Input force)

Question 9

Torque equals

Answer 9

Force × distance of lever arm.from the axis of rotation

F × d