Mechanical Advantage and inclined plane
What is an example of an inclined plane?
A ramp
What is an example of a wedge?
A shovel
A flagpole
What is an example of an input force and output force?
A can opener
What is an example of a screw?
A jar
What is the formula for an inclined plane?
MA= length of incline divided by height of incline
What is the mechanical advantage formula for a wedge?
IMA wedge= length of wedge divided by width of wedge
What is the mechanical advantage formula for a wheel and axle?
MA wheel and axle= radius of wheel divided by radius of axle
What is the advantage formula for input force?
input force X input distance
What is the mechanical advantage formula of a screw?
MA screw= length around threads divided by length of screw
What is the formula for mechanical advantage?
MA= output force divided by input force
What is the mechanical advantage formula for a lever?
MA= distance from fulcrum to input force divided by distance from fulcrum to output force.
What is the mechanical advantage formula for a pulley?
MA Pulley= number of sections of rope that support the objects
What is the mechanical advantage formula for output force
output force X output distance
what is the definition of efficiency?
A machine that compares the output work to the input work
What is the definition for mechanical advantage?
The number of times a machine increases the force on it.
What is the definition of a lever?
A rigid bar that is free to pivot or rotate around a fixed point
What is the definition of a pulley?
Made of a grooved rope or cable wrapped around it.
What is the definition for input force?
The force exerted on a machine
What is the definition of a screw?
A screw is an inclined plane that is wrapped around a cylinder
What is the definition for inclined plane?
A flat, sloped surface that allows you to exert your force over a long distance
What are example of first, second, and third class levers?
First class lever paint can opener, Second class lever doors, third class lever a fishing pole.
What is a wheel and axle made of?
Made up of two cylindrical or circular objects fastened together that rotate along a common axis
What is the definition of output force?
The force the machine exerts on the object
What is the mechanical advantage formula for efficiency?
Efficiency = (output work divided by input work) X 100