Terms
This force keeps you from sliding around the court when playing basketball.
What is friction?
A lever is a bar that turns on this.
What is the fulcrum/point?
For work to be done, an object needs to do this with force applied.
What is move?
This simple machine pulls window blinds up and down.
What is a pulley?
This is a change in position.
What is motion?
Wheelbarrows and rakes are examples of this.
What is a lever?
A wheel travels a greater this than the axle does when you turn the wheel.
What is distance?
This simple machine has an inclined plane wrapped around a cylinder.
What is a screw?
This is measured by the force needed to move an object.
What is work?
This simple machine is made of a wheel with a groove.
What is a pulley?
These forces cause a ball to fall to the ground and stop moving.
What is gravity and friction?
What is work?
Inclined planes reduce the amount of this needed to move an object.
What is effort?
This simple machine has a rod running through the wheel.
What is wheel and axle?
A student pushing a box with books does more work then a student pushing the same size empty box because of this.
What is because the book box has more weight requiring a greater force?
By putting more distance between the effort and this, the effort needed to move the load is lessened.
What is fulcrum?
This is the term of the weight of an object being moved.
What is the load?
This simple machine is made of 2 inclined planes (or more) and is used to force materials apart.
What is a wedge?
The ability to do work is this.
What is energy?
A pulley changes the direction of the effort from up to this, causing the load to move up easier.
What is down?