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A bottle cap is an example of what simple machine?
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
How is a wedge like an inclined plane?
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
How much work is done when you push a sled across the snow with a force of 70.0 N for a displacement of 20.0 m?
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
The work output of a machine divided by the work input is the ______________ of the machine.
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
What is a device that does work with only one movement and changes the size or direction of a force?
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
Something that holds things together or is used to lift something:
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
A crane can lift a 500 kg mass to height of 30 m in 2 minutes. The work done by the crane is: (*You must compute the force of the mass being lifted first)
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
A ramp:
It is two inclined planes put back to back
1400 J
Screw
150,000 J
Inclined Plane
Screw
efficiency
Simple Machine
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