This can't be created or destroyed, but it can be moved around or changed from one form to another.
What is energy?
100
This is the SI unit of work.
What is a newton-meter or joule?
100
This is the work performed by a 100 N force applied horizontally to move a 15 kilogram object a horizontal distance of 5 meters at constant speed.
What is 500 joules (100N x 5m x cos(0 deg))?
200
This is Newton's Second Law of Motion...the only one we express as an equation.
What is F = m A?
200
This is the customary or English unit of power.
What is horsepower?
200
This principle, involving the mass and velocity of an object, demonstrates the fact that energy cannot be created or destroyed.
What is conservation of momentum?
200
This is the customary English unit of work.
What is a foot-pound?
200
This is the work performed by a 100 N force applied at an angle of 30 degrees (to the horizontal) to move a 15 kilogram object a horizontal distance of 5 meters at constant speed.
What is 433 joules (100N x 5m x cos(30 deg))?
300
This is the customary or English unit of mass...and it isn't a pound.
What is a slug?
300
This is the expression relating power, work, and time.
What is power equals work divided by time?
300
This is the change in the electrical potential energy per unit of charge.
What is voltage?
300
This is the mathematical expression of work.
What is force x distance x cosine of the angle?
300
This is the work performed on a 15 kg object that has an upward force applied to lift it to a height of 5 meters at a constant speed.
What is 735 joules = (147 N x 5 m x cos(0 degrees))?
400
These are the SI units that are equivalent to one newton.
What is the product of a kilogram and a meter, divided by a second (squared)?
400
This is the power of a system that does no work.
What is zero?
400
This is the measure of electrical potential energy.
What is a joule?
400
This measures the rate at which work is performed.
What is power?
400
This is the momentum of Musashimaru, a 235 kilogram sumo wrestler, moving toward an opponent at a velocity of 2 meters/second.
What is 470 kg-m/(sec)?
500
This is the sum of all forces acting on an object.
What is the net force?
500
This is the number of watt-seconds in a watt-hour.
What is 3600?
500
This says that a brick resting on a shelf five feet high has more energy than a brick resting on the ground below the shelf.
What is gravitational potential energy?
500
This is a special type of work that produces money.
What is a job?
500
This is the mass of a baseball, moving at 45 meters/sec, with a momentum of 6.75 kg-m/(sec).