Work
This is the most common formula for work.
What is W=Fd?
As an object falls freely near the Earth's surface, the loss in gravitational potential energy is equal to the gain in this type of energy.
What is kinetic energy?
This is the formula for kinetic energy.
What is KE=1/2mv2?
This is what the "h" represents in the equation for potential energy.
What is height?
Power is defined as this.
What is the rate of doing work?
Work done on an object is equal to this quantity gained by the object.
What is energy?
This type of energy is associated with the position or configuration of an object.
What is potential energy?
The kinetic energy a 100-kilogram person acquires a velocity of 15 meters per second down a ski slope.
What is 11250 J?
This is the potential energy stored in a spring of negligible mass with a spring constant of 200 newtons per meter is stretched 0.2 meter.
What is 4 J?
The power developed by a 680-newton student runs up a 3.5-meter high flight of stairs in 11.4 seconds.
What is 208.8 watts?
The amount of potential energy gained by pushing a 10kg block at a rate of 10 m/s.
What is zero?
When a pendulum swings, energy constantly transforms between these two types.
What are kinetic and potential energy?
This is how kinetic energy changes if an object's mass is doubled but its velocity remains the same.
What is doubles?
This is how the potential energy of a stretched spring compares when it's stretched to twice its original length.
What is four times as great?
The maximum vertical distance a 60-watt motor lifts a 90-newton weight in 7.5 seconds.
What is 5m?
The work done when a rock weighing 10 newtons is lifted a vertical distance of 8 meters.
What is 80 J?
In a roller coaster, this principle explains why the total energy remains constant throughout the ride.
What is conservation of energy?
The kinetic energy at impact of a 6.0 kilogram concrete block hits the ground with a speed of 30 meters per second.
What is 2700J
The gravitational potential energy of a 6.0-kilogram concrete block dropped from a height of 55 meters.
What is 3300 J?
This is how power changes when it is done faster.
What is power increases?
The amount of work done to accelerate a 200g ball from 2m/s to 4 m/s.
What is 1.2 J?
This is what happens to the mechanical energy lost by a falling object.
What is converted to heat due to air resistance?
This is how the kinetic energy of a falling object changes as it approaches the ground, assuming no air resistance.
What is it increases as gravitational potential energy decreases?
The total mechanical energy of a 26-kg child on a swing at a height of 2.0 m above the ground with zero velocity.
What is 509.6 J?
What is 5000W?