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Machines 1
Machines 2
Machines 3
Machines 4
Machines 5
100
The transfer of energy that occurs when a force makes an object move is known as this.
What is work?
100
The unit for power is this.
What is the Watt?
100
The force applied to a machine is known as this.
What is the input force?
100
To increase the efficiency of a machine, this must be reduced.
What is friction?
100
A sloping surface that reduces the amount of force required to do work is known as this.
What is an inclined plane?
200
The unit of work is this.
What is Joule?
200
The equation for calculating power is this.
What is P=(W or E)/t?
200
The force applied by the machine is known as this.
What is the output force?
200
A machine that does work with only one movement is known as this.
What is a simple machine?
200
An inclined plane wrapped in a spiral around a cylindrical post is known as this.
What is a screw?
300
The unit of force is this.
What is Newtons?
300
The unit for energy is this.
What is Joules?
300
A completely efficient machine is impossible due to this.
What is friction?
300
A bar that is free to pivot or turn on a fixed point is this.
What is a lever?
300
An inclined plane with one or two sloping sides is known as this.
What is a wedge?
400
This is the equation for calculating work.
What is W=Fd?
400
This is a device that makes doing work easier.
What is a machine?
400
The ratio of output force to input force is known as this.
What is mechanical advantage?
400
A grooved wheel with a rope, chain or cable running along the grove is known as this.
What is a pulley?
400
Two or more simple machines that operate together is known as this.
What is a complex machine?
500
This is the amount of work done in one second.
What is power?
500
The idea that the advantage we get from using machines always comes at some cost is due to this
What is the Law of Conservation of Energy?
500
This is the measure of how much work put into a machine and changed to useful output work by the machine.
What is efficiency?
500
A simple machine consisting of a shaft or axle attached to the center of a larger wheel so that the wheel and axle turn together is known as this.
What is a wheel and axle?
500
On a block and tackle pulley system, the increase in output power comes at this price.
What is distance?