SESSION 4: POWER 1. What is the power output of a man who pushen a box 5 meters in 3 seconds with a constant force of 12 N? Understanding the problem Known: Unknown: Devising a Plan Carrying Out the Plan Looking acceleration is the cute open in mind
Asked by olgaaracan
Answer (1)
Power output = 20 wattsKnown:Distance = 5 metersTime = 3 secondsForce = 12 NUnknown:Power (in watts)Step-by-step:Work = Force × Distance = 12 N × 5 m = 60 joulesPower = Work ÷ Time = 60 ÷ 3 = 20 watts