Simple Machine
What is a device that makes work easier by changing the direction or the amount of force applied?
Pulley
What simple machine has one thick end and one sharp end?
Wedge
What is a simple machine consisting of a wheel with a groove in which a rope can run?
pulley
Scissors are what kind of machine?
Compound Machine
Wheel and axle and lever
Give an example of a simple machine that helps you lift objects when moving to a new house.
Lever
How does a wedge help us to split objects apart?
Force is applied to the thick end of the wedge, and the wedge, in turn, applies force to the object along both of its sloping sides.
The object that supports a lever is a(n)
fulcrum
Rake?
Simple Machine
A screw is what simple machine wrapped around a cylinder?
Inclined plane
Which simple machine is a long flat surface with one end higher than the other?
An inclined plane
Give examples of everyday objects that use a wedge to function.
fork, knife, grater, peeler, hatchet, zipper, scissors, spatula, ice cream scoop, apple corer, shovel, or chisel.
This involves using force to move an object across a distance
Work
simple machine
Faucets are what type of machine?
Simple machine: wheel and axle
How does a lever make work easier?
By changing the force applied to the machine or the distance over which the force is applied
Explain how a wedge decreases the force needed to separate objects.
The sloping sides of the wedge apply force to the object, cutting it or splitting it apart.
When you push a heavy box up a ramp, you are using a(n)?
inclined plane
Bicycle
What is one advantage of a wheel and axle?
You can turn the wheel without touching it
A shovel is an example of what simple machine?
lever
What two simple machines do a pair of scissors use?
Wedge and lever
Two inclined planes placed together that make an edge form a(n)
wedge
Wedge
Simple Machine
What body parts provide the force needed to pull a nail out of a board using a hammer?
Arm and hand