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What else can I help you with?
Is a paddle brush a simple machine such as a lever?
A paddle brush is NOT a simple machine, a simple machine is defined as: a machine or complex tool that eases the load by changing either the magnitude of the direction of a force to match the force to the capability of the machine or the person. So, the force used is from the PERSON not the TOOL without the human force, no work, or power would result.
Is it possible to use a simple machine and do less work than you would have done without the machine?
That isn't possible, not with a simple machine and not with a complicated machine, since otherwise, conservation of energy would be violated.
What simple machine would you use to move a rock?
no
Which simple machine would stairs be an example?
a wedge
Why would a person need a water barrel?
A person would need a water barrel to collect and store rain water for irrigation or other use. Price of water barrel varies depending on size and material.
Is a wheel and axle a compound machine?
No. Gears are a type of simple machine. Combined with another simple machine, it would then make a compound machine.
What type of simple machine would be used to hold two boards togather?
A screw is the simple machine which holds two boards together. In this case it is not acting as a machine though.
Name one complex machine and a simple machine?
a complex machine would be a car, but a simple machine would be a wheel and axle. an example of a wheel and axle would be a steering wheel
Is a hovercraft a simple machine?
Yes, a hovercraft is considered a simple machine because it uses principles of physics like air pressure to generate lift and propel itself forward. It does not have complex mechanisms like gears or engines.
What type of simple machine is a roof of a house?
That would be a lever.
What type of simple machine is the roof of the house?
That would be a lever.
What simple machine is used for a sloping surface?
That would be a wedge.
