Author Question: An elevator weighing 20,000 N is supported by a steel cable. What is the tension in the cable when ... (Read 139 times)

kaid0807 · **on:** Jul 28, 2018

An elevator weighing 20,000 N is supported by a steel cable. What is the tension in the cable when the elevator is being accelerated upward at a rate of 2.00 m/s2? (g = 9.80 m/s2)
a. 13,900 N
c. 24,100 N
b. 23,100 N
d. 26,100 N

Question 2

A 70.0-kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
a. 700 N
c. 8000 N
b. 4000 N
d. 16,000 N