Name that Machine
Working Over Time
What is that Formula?
Things to Know
It's So Simple!
100
You can find this simple machine on the lids of a jar.
What is a screw?
100
I am the equation for work
What is work=force x distance
100
How can you calculate work? (you must include the units)
What is work (joules)= force (newtons) x distance ( meters)?
100
________ is done when a force causes an object to move in the same direction that the force is applied.
What is work?
100
This simple machine is a flat sloping surface.
What is an inclined plane?
200
A flagpole has a __________ in order to raise the flag.
What is a pulley?
200
I am the unit that work is measured in.
What is joules?
200
Power is how quickly work is done? How would you find power? (remember to include the units)
What is power (watts) = work (joules)/ time (seconds)
200
A________ is a machine that does work with only one movement.
What is simple machine?
200
What is a knife?
What is a wedge?
300
Gears are an example of a ___________.
What is a wheel and axle?
300
The ability to do work or cause change.
What is energy?
300
Identify the formula for mechanical advantatge.(include the units)
What is MA=output force (in newtons)/ input force (in newtons)
300
__________ is force that opposes motion between two touching surfaces.
What is friction?
300
A ________ is an inclined plane wrapped around a cylinder or post.
What is a screw?
400
I am a common school item that contains two levers and two inclined planes that can be found on your teachers desk.
What is a pair of scissors?
400
A push or a pull using effort.
What is force?
400
Identify the formula for efficiency. (hint: don't forget the unit)
What is efficiency (in percent) = output work (in joules)/ input work ( in joules) x 100%
400
A _________ is made up of a combination of simple machines.
What is a compound machine?
400
A _______ consists of a grooved wheel with a rope or cable wrapped over it.
What is a pulley?
500
You teeth is anexample of a _________.
What is a wedge?
500
This is only done when force is applied to an object and the object moves a distance.
What is work?
500
Name the three formulas learned that use division.
What is mechanical advantage, power and efficiency?
500
In a _________ the fulcrum is between the input force and the output force.
What is a first class lever?
500
A _________ consists of two circular objects of different sizes that are attached in such a way that they rotate together.
What is a wheel and axle?
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