General
Lever
Inclined Plane
Pulley/Wedge
Wheel and Axle/Screw
100
This is a force that changes the motion of an object.
What is work?
100
The object being lifted is the __________.
What is load?
100
Another name for an inclined plane is a ____________.
What is ramp?
100
What type of pulley will have a greater MA? a pulley with one wheel or a pulley with two wheels?
Two wheels
100
The wheel and axle is made up of two parts: the wheel that turns on a post, which is called the __________.
What is axle?
200
You use a force to change the ________________ of an object.
What is direction or motion
200
The push or pull that turns a lever is the ____________.
What is force?
200
If you use an inclined plane, the distance is longer, but it takes less _______________.
What is effort? (force)
200
Does a single fixed pulley give a MA?
NO
200
You create a screw when you wrap on inclined plane into a _______________ around a pole.
What is spiral?
300
This is a tool that makes work easier to do.
What is a machine?
300
A lever is a board or bar that moves on a _______________.
What is fulcrum?
300
An inclined plane is a simple machine that is a flat surface that is ___________ at one end.
What is higher?
300
Two inclined planes placed back to back make this simple machine.
What is a wedge?
300
Using a screw takes ______________ force than pounding a nail.
What is less?
400
Using a machine allows us to use ____________ force to move something.
What is less?
400
How do you calculate the MA of a lever?
input length/output length
400
What is the equation to calculate MA of an inclined plane?
Length/Height
400
How does a wedge work to split things apart?
It takes the downward force and turns it into an outward force.
400
In a wheel and axle, the wheel makes a large circular movement, and the axle makes a ____________ movement.
What is smaller?
500
What is the general equation to find MA of any simple machine?
Resistance Force/Effort Force (Output Force/Input Force)
500
A lever can let you change direction of a force or it can change the amount of ______________ needed.
What is force?
500
Scientists think inclined planes may have been used to build the _______________ because the blocks were too heavy to move straight up.
What are pyramids?
500
How do you calculate MA of a pulley?
Count the number of supporting ropes.
500
Just like an inclined plane, a screw moves a longer distance, but less ____________ is needed.
What is effort? (force)
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