Force exerted on an object over a distance is known as this.
What is work?
100
The ultimate energy source on Earth for life is mostly this.
What is the Sun?
100
A machine cannot be 100% efficient due to this.
What is friction?
100
The ratio of output force to input force is known as this.
What is Mechanical Advantage?
100
The rate at which energy is used is known as this.
What is power?
200
The point upon which a lever pivots is known as this.
What is the fulcrum?
200
The unit for work is this.
What are Joules?
200
A screw is an example of this type of simple machine.
What is an inclined plane?
200
The total amount of potential and kinetic energy in a system is known as this.
What is mechanical energy?
200
Screws, inclined planes, pulleys, and levers are examples of these.
What are machines?
300
The energy of a moving object is known as this.
What is kinetic energy?
300
The idea that whenever work is done, then there was a change in energy is known as this.
What is the Work-Energy Theorem?
300
The unit for power is this.
What are watts?
300
This law of nature states that energy is never created or destroyed, only transformed.
What is the Law of Conservation of Energy?
300
A device that transfers energy form one place to another or transforms it to one form to another is known as this.
What are machines?
400
The energy contained in a stretched rubber band is this type of energy.
What is elastic potential energy?
400
The unit for energy is known as this.
What are Joules?
400
The energy stored in a molecule of sugar is this type of energy.
What is chemical potential energy?
400
A thousand watts is also known as this.
What is a kilowatt?
400
The ratio of useful energy output to total energy input or the percentage of the work input that is converted to work output is known as this.
What is efficiency?
500
Stored energy that is capable of doing something is known as this.
What is potential energy?
500
A pulley could also be argued to be this type of simple machine.
What is a lever?
500
Right before a falling object hits the ground, the vast majority of the objects gravitational potential energy has been transferred into this energy type.
What is kinetic energy?
500
In order to get more force out of a machine than you put in, this is the price that is paid.