Question

How much tension must a cable withstand to accellerate a 1400 kg car vertically upward at 0.70 m/s^2

Answer 1

Below

Step-by-step explanation:

The cars upward accel adds to the gravity accel (think about how suddenly heavy you feel when the elevator starts to move upward)

F = tension = ma

= 1400 * ( .7 + 9.81) = 14714 N