Simple Machines
Name any Simple Machine.
Mr. Wilson's Choice
Name any 2 forces.
Mr. Wilson's Choice
A wheelchair ramp
Incline Plane
The goal of simple machines is to?
Make things easier for us.
How many simple machines are there?
6
A flat surface with one end higher than the other.
An Inclined Plane
The force keeping us anchored to the ground is known as:
Gravitational Force
Used to raise a flag up a flagpole
Pulley
The formula of Mechanical Advantage is;
MA= Output/ Input
On diagrams, what is used to indicate direction?
Arrows
Uses a wheel with a groove in it and a rope.
Pulley
Compressive force means what?
To crush, squash squeeze, press.
The tire parts of a bike:
Wheel and Axle
A machine uses an input force of 200 newtons to produce an output force of 800 newtons. What is the mechanical advantage of this machine?
800/ 200= 4
Force is measured in what unit?
Newtons (N)
A simple machine used to push two objects apart.
Wedge
Rubbing a toothbrush against teeth, or sandpaper on wood is an example of:
Frictional Force
A knife or chisel is an example of:
Wedge
Another machine uses an input force of 200 newtons to produce an output force of 80 newtons. What is the mechanical advantage of this machine?
80/ 200= 0.4
Rube Goldberg Machines definition is:
A complex way of doing a simple task.
A straight rigid object like a board or a bar which pivots on a turning point called a fulcrum.
Lever
Magnetic force can be used in what two ways?
To push or to pull
A jar/ water bottle lid
Screw
A machine is required to produce an output force of 600 newtons. If the machine has a mechanical advantage of 6, what input force must be applied to the machine?
600/ 6 = 100
Mechanical force