Screw/Lever
Wheel and Axle
Wedge
Inclined Plane
Pulley
100
A ____ is one of the most commonly used mechanical devices in the world.
What is screw.
100
We use a _____ when things are too heavy or too difficult to push on their own.
What is a wheel and axel.
100
The _____ is the active twin of the inclined plane and one of the 6 simple machines.
What is wedge.
100
An inclined plane is a _____ that assists moving heavy objects up and down heights.
What is ramp.
100
Sometimes it is not easy to lift heavy objects with only ____ force.
What is human
200
The mechanical advantage of a screw increases when the angle of the spiral _____.
What is increases.
200
A wheel _____ spins on an axel.
What is spins
200
A wedge is made up of ____ inclined planes
What is Two (2)
200
With the help of an inclined plane we can now roll a mass up a ____ surface with less effort
What is sloping
200
A basic pulley compromises of a wheel on a fixed axel, with a groove along the edges to guide a _____ or cable.
What is rope.
300
A lever can be described as a long rigid body with a _____ along its length.
What is fulcrum.
300
A wagon has ____ wheels.
What is Four (4)
300
Larger force is generated from a ____ angle
What is inclined.
300
So the mechanical advantage is the more distance to be covered, the ____ the force needed to move the load to the raised height
What is lesser (less)
300
The _____ is the amount of force required to lift an object
What is effort.
400
_______ Is the point at which the lever pivots.
What is fulcrum
400
A wagon has ___ axels.
What is Two (2)
400
That means that, if the inclined angle is _____, the wedge yields a larger force and may do the job faster than a wedge with a wider angle
What is small
400
An inclined plane is a surface set at an angle, other than a right angle, against a _____ surface
What is horizontal
400
As you add more pulleys you ____ your mechanical advantage and it becomes very easy to lift the same load.
What is increase.
500
Levers can be classified into ____ different categories depending on the the relative position of the load, fulcrum and force.
What is 3 (Three)
500
A wheel and axel changes how much ____ we need to move an object.
What is force
500
We covered three different things a wedge can do they were ___ ______ ____
What is seperate, lift or hold things in place.
500
Inclined planes were used in the creation of these ancient buildings.
What is pyramids.
500
By decreasing the effort needed to lift the load, you have to apply the force for a ____ period of time.
What is longer.
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