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14 questions
What kind of pulley does this picture show?
A compound pulley
A movable pulley
A fixed pulley
A rod that is fixed to the center of a wheel allowing the wheel to rotate is called a _________________.
Axle
Simple Machine
Pulley
Gear
The resistance that one surface or object has while in contact with and moving across another
Friction
Effort
Load
The object or weight being moved or lifted
Load
Effort
Friction
Wheel & axle
Which of these are examples of wheels and axles? Tick all the correct answers
Doorknob
Ramp
Well
Steering wheel
What is mechanical advantage?
How much force you get out compared to what you put in
How much further you have to travel using wheels
Something found in boats
The difference between wheels and axles
In a wheel and axle, the wheel travels a longer ________ but takes ____ force
Force, work
Distance, more
Energy, less
Distance, less
Compared to the wheel, the axle travels ____ distance and experiences more _____
Less, force
Less, energy
Force, energy
More, work
A large wheel takes less force to turn than a small wheel
True
False
A large wheel travels less distance than a small wheel
True
False
In a simple machine, what is the load?
point where the rope attaches to the pulley
the force needed to move the load
the mass lifted by a system
the distance the load travels
In a simple machine, what is the effort?
the force needed to move the load
the distance the load travels
the mass lifted by a system
the object being moved
With a pulley system, you use more rope (distance), but need less ________ to lift the load.
work
mass
force
speed
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