Work
Power
Simple Machines
MORE Machines
Mechanical Advantage
100
The equation to find work given force and distance
What is W= F x d?
100
What is the unit for Power?
What is watts?
100
An inclined plane wrapped around a cylinder
What is a screw?
100

What do we use in order to calculate the efficiency of a machine?

What is mechanical advantage?

100

The quantity that measures how much a machine multiplies force or distance.

What is mechanical advantage?

200
The units for Work
What are Joules?
200
If Tom and Bob do the same amount of work but Bob does the job faster, who is the most powerful?
Who is Bob?
200
A wedge is an example of a modified ______________.
What is an inclined plane?
200
A grooved wheel with a rope, cable, or chain around it.
What is a pulley?
200

The unit for Mechanical Advantage.

What are NONE?

300
How much work is done when you move a 20N object 5m?
What is 100 Joules?
300
How much power is used by a dryer that uses 55J of energy (work) over 5 seconds?
What is 11 watts?
300

What simple machine is a flagpole?

What is a pulley?

300
The 2 main families of simple machines.
What are Levers and Inclined Planes?
300

What is the formula for mechanical advantage when calculating FORCE?

What is MA = FR/FE?

400
How far did you move a 4.7 N object if you used 40 J of energy (work)?
What is 8.5 meters?
400
A 60-watt light bulb runs for 15 seconds. How much energy (work) does it use?
What is 900 J?
400

An axe is an example of what type of simple machine?

What is a wedge?

400
What machine has a flat surface with one end higher than the other?
What is an inclined plane?
400
If it takes 120N of force to push a 240 N object up an incline plane, what is the MA of the ramp?
What is 2?
500
How much force was exerted by a child using 400 J of work to move a box 12 meters?
What is 33.3 N?
500
How long will it take for a tiny motor with 90 watts to do 650 J of work?
What is 7.2 seconds?
500

What are the three simple machines found in a wheelbarrow?

Lever

Inclined plane

Wheel and axle

500
A machine made up of more than one simple machine.
What is a compound machine?
500
What distance was covered by a heavy cargo box being loaded on a 18meter ramp providing a MA of 3?
What is 6m?
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