Work
The equation for work
What is W= Fd?
The equation for power
What is P = W/t?
Equation of potential energy
What is PE = mgh
What is Joule?
Unit used to measure power.
What is a watt?
What is 5780 J?
Tom applies 800 J to move a box over a time of 2 seconds. Find power.
What is 400 watts?
The equation of Kinetic energy
What is KE = 1/2 m v2?
Ability to do work
What is energy?
What is friction?
Bill pushes a 2.5 kg shovel for 10 meters. Find the Work done.
What is 250 J?
A boy exerts 500 J of energy over 10 seconds. Find the power.
What is 50 watts?
The potential energy of a 2.5 kg box that is 10 meters off the ground
What is 250 J?
Rate at which work gets done
What is power?
Energy can be neither created or destroyed
What is law of conservation of energy?
A man uses 350 J of energy to push a box 7 m. Find the force applied.
What is 50 N?
A 100 N box is lifted 1.5 meters the process took 2 seconds. Find Power.
What is 75 watts?
The kinetic energy of a 80.0 kg boy running at 5.5 m/s
What is 1210 J?
What is weight?
No real system is fully efficient as it loses energy as
What is heat or entropy?
The theorem that states whenever work is done, energy changes
What is work- energy theorem or W = change in KE?
What is approximately 1142.9 watts?
A 1.5 kg ball rolls down a 15 meter hill at 2.0 m/s. The ball rolls up another hill that is 8 meters. What will the speed of the ball be at the top of the second hill
What is
The energy due to position or movement of an object
What is mechanical energy?
Units used to describe pressure
What are N/m2 or Pascals?