In this lesson, we will learn how to find the power of a constant force using the relation P = F × v.
Sample Question Videos
Some workers are loading boxes in the back of a truck. Each box has a mass of 75 kg and the height of the truck is 1 m. Given that the average total power that the group can work at is 0.5 hp, calculate the number of boxes they can load into the truck in a minute. Take .
A person of mass 66 kg walked up an inclined plane to a height of 450 meters in 5 minutes. Determine their average power throughout the walk.
Given that a car’s maximum speed is 270 km/h and its engine generates a force of 96 kg-wt, determine the power of its engine.