Monday, May 08, 2006
Work, Energy & Power
Work done = Force x displacement, ie. W = FS
Force = mass x acceleration, ie. F = ma
Power = Energy/time
running
So, running 1 km should have more work done than jogging or walking 1 km. If work done is equivalent to energy transfer. It would mean more energy and hence more calorie. However, 硬漢 told me the energy would first come from protein and then from fat. That is why I should continue exercising for more than 20 minutes.
Force = mass x acceleration, ie. F = ma
Power = Energy/time
running
So, running 1 km should have more work done than jogging or walking 1 km. If work done is equivalent to energy transfer. It would mean more energy and hence more calorie. However, 硬漢 told me the energy would first come from protein and then from fat. That is why I should continue exercising for more than 20 minutes.
# posted by Birdie @ 10:13 PM 
