DEFINITIONS
WHAT IS IT?
FILL IN THE BLANK
INCLINED PLANE, SCREW & WEDGE
WHEEL AND AXLE, PULLEY & LEVERS
100
When forces push or pull equally on an object.
What is BALANCED FORCE.
100
A rope over a wheel.
What is a PULLEY.
100
Name 3 parts of a pulley.
What is WHEEL, AXLE, AND ROPE.
100
The screw is made up of what 3 parts?
What is HEAD, SHAFT, and POINTED END.
100
Name the simple machine that can be used to reduce friction on rolling objects.
What is WHEEL and AXLE.
200
A machine that operates without electricity and is used to make work easier.
What is a SIMPLE MACHINE.
200
A wheel connected to a shaft.
What is a WHEEL AND AXLE.
200
Using an inclined plane to lift a barrel requires ________over a greater _______.
What is EFFORT and DISTANCE.
200
Pushing or pulling an object using an inclined plane is ______ than lifting an object.
What is EASIER.
200
In a pulley the ____ is attached to one end of the rope and the _____ occurs at the other end of the rope.
What is LOAD and EFFORT.
300
A machine that is made up of 2 or more simple machines.
What is a COMPOUND MACHINE.
300
A slope tapering to a sharp edge.
What is a WEDGE.
300
Lifting a barrel from the ground requires _____ effort over a _____ distance.
What is MORE and SHORT.
300
The distance between each thread in a screw is called the ______.
What is PITCH.
300
In this type of lever the fulcrum is located between the effort and the load.
What is FIRST CLASS LEVER.
400
A push or pull on an object causing a change in motion.
What is FORCE.
400
A spiral inclined plane.
What is a SCREW.
400
A conveyor belt used to load and unload a truck is made of which 2 simple machines: _______ and ________.
What is INCLINED PLANE and WHEEL AND AXLE.
400
This simple machine can be used to raise an object or split an object apart.
What is a WEDGE.
400
In this type of lever the effort is located between the load and the fulcrum.
What is THIRD CLASS LEVER.
500
When forces push or pull unequally on an object.
What is UNBALANCED FORCE.
500
A bar pivoting on a fixed point.
What is a LEVER.
500
Name 2 inclined planes:______ and _______.
What is RAMP and DOORSTOP.
500
Does a chisel, which is a type of wedge split, cut or fasten?
What is SPLIT.
500
In this type of lever the load is located between the effort and the fulcrum.
What is SECOND CLASS LEVER.
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