Potential energy is stored energy
Gravitational potential energy= weight height
Subtopic
Kinetic energy is energy of motion
Kinetic energy =1/2 mass x speed2
Ke = 1/2 mv2
Energy is needed for life
Mavhines-Devices to Multiply Forces
work input = work output
Conservation of energy
Conservation of Energy
Subtopic
work-energy theorem
work=AKE
Subtopic
Power-how Quickly Work Gets Done
Lifting a load quickly is more difficult than lifting the load slowly
Power is the rate at which energy
Subtopic
Efficency-- A Measure of Work Done for Energy Spent
efficency= work done= energy used
Subtopic
Sources of Energy
Work-Force
it takes energy to push something
Subtopic
Subtopic
Kinetic energy Potential energy energy that arises
Kinetic energy energy of motion
Subtopic