Show:
Lever with Me
Don't Be Such A Pulley
Wheeled Planes
Screwy Wedges
Compounded
100
Has a bar that pivots at a fixed point.
What is a lever?
100

Has a grooved wheel that holds a rope or a cable.


What is a pulley?
100

A straight, slanted surface

What is an inclined plane?
100
A pair of inclined planes that move
What are wedges?
100
Made up of two or more machines
What are compound machines?
200
Levers are used to
What is add force?
200

Attached to something that doesn’t move


What is a FIXED pulley?
200

Consists of two circular objects of different sizes

What is a wheel & axle?
200

An inclined plane that is wrapped in a spiral around a cylinder

What is a screw?
200
Moving parts mean more this
What is friction?
300

Name the type of lever: The fulcrum is between the input force and the load.

What is first class?
300

Attached to the object being moved 


What is a MOVABLE pulley?
300
The same work is done, just over a longer distance
What is an inclined plane?
300

When a screw is turned a this is applied over the long distance of the inclined plane

What is a small force?
300
Compound machines have many of these
What are moving parts?
400
There are this many classes of levers
What are three (3)?
400

Fixed & Movable pulleys combined


What is a BLOCK & TACKLE pulley?

400

Turning the wheel results in this


What is a mechanical advantage?
400

The longer and thinner the wedge is, the ________ the mechanical advantage.

What is the greater?
400
Many moving parts means this
What is MORE FRICTION?
500

Classification of levers is based on the placement these

What is fulcrum, load, and input force?
500

We use pulleys to increase this by decreasing force input.

What is mechanical advantage?
500

The _______ of the wheel is larger than the ______ of the axle. 


What is radius?
500

You sharpen axes and knives to increase this.

What is mechanical advantage?
500
Most machines in the world are this
What is compound?