Simple Machines Flashcards
Force is a unit called the ___
Newton
Amount of matter in an object
MASS
The number of times a machine multiplies your effort.
Mechanical Advantage (MA)
Types of machines that do work with one movement.
Simple Machines
What are the 6 simple machines?
- Inclined Plane
- Lever
- Wedge
- Screw
- Pulley
- Wheel & axle
The number of ropes that support the pulley. The end of the rope doesn’t count.
MA
Uses grooved wheels and a rope to raise, lower or move a load, makes work seem easier.
Pulley
NA
no advantage
Three types of pulleys
- Fixed pulley
- No MA
- Movable Pulley (MA of 2)
An object with at lease one slanting side ending in a sharp edge, which cuts materials a part.
Wedge
A stiff bar that rests on a support called a fulcrum which lifts or moves loads.
Lever
Length of eArm : length of rArm=
MA
A wheel with a rod, called an axle, through its center lifts or moves a load.
Wheel & Axle
The mechanical advantage of a wheel is the ___
Ratio of the radius of the wheel divided by the radius of the axle.
A straight line from a circles center to its perimeter.
Radius
