More Part 1
A force that resists or opposes one's motion.
Friction
The energy of motion/ movement.
Kinetic energy
Another name for an inclined plane is a ____________.
Ramp
A bar that pivots around a fulcrum.
Lever
A wheel with a groove for a rope that is used for lifting.
Pulley
The force that acts on an object due to the pull of gravity.
Weight
The push or pull upon an object results from the object's interaction with another object.
Force
If you use an inclined plane, the distance travelled is longer, but it takes less _______________.
Effort
A screw is made up of ____ wrapped around a post or rod.
Threads
These two parts act as one simple machine. They roll and are found on cars, bikes, and wheelbarrows.
Wheel and axle
A form of energy that occurs when an object vibrates.
Sound energy
The ability to do work.
Energy
An _______ is a simple machine that has a flat surface with one end higher.
Inclined plane
Two inclined planes placed back to back make this simple machine.
Wedge
The oldest simple machine dates back to at least 1.2 million years ago.
Wedge
The energy stored within an object, due to the object's position, arrangement, or state.
Potential energy
It refers to any space that contains little or no matter where sound cannot travel.
Vacuum
Any device with few or no moving parts is used to make work much easier.
Simple machine
The efficiency of a simple machine is always _______ 100 %.
Less than
What are the 6 simple machines?
Wheel and axle, pulley, inclined plane, screw, wedge, and lever
Considered the father of electricity. He is responsible for the discovery of electromagnetic induction.
Michael Faraday
According to this scientist, every mass attracts every other mass in the universe due to gravity.
Isaac Newton
The point on which a lever rests and on which it pivots.
Fulcrum
The idea of a simple machine originated with the Greek philosopher _______ around the 3rd century BC.
Archimedes
A device that has two or more simple machines working together.
Compound or complex machine