We all know it makes sense to bend one's knees when dropping from a height.Suppose a very silly 70-kg person were instead to drop down from a height of 1.4 m onto the ground and stop stiffly within a distance of only 0.60 cm. Calculate how many times his own weight is the average force his body feels. A) 15 B) 24 C) 2.3 * 10³ D) 6.1 *10² E) 2.3 *10²

Question

Quizplus · Accepted Answer

The average force can be calculated using the work-energy principle and the stopping distance. The force is approximately 2.3 * 10^2 times the person's weight.

We All Know It Makes Sense to Bend One's Knees