A 1156-kg car is held in place by alight cable on a very smooth (frictionless) r

Question

A 1156-kg car is held in place by alight cable on a very smooth (frictionless) ramp, as shown in thefigure below. The cable makes an angle of2 = 31.7°above the surface of the ramp, and the ramp itself rises at1 = 22.7°above the horizontal. (b) Find the tension in the cable.


(c) How hard does the surface of the ramp push on the car? A 1156-kg car is held in place by alight cable on a very smooth (frictionless) ramp, as shown in thefigure below. The cable makes an angle of2 = 31.7°above the surface of the ramp, and the ramp itself rises at1 = 22.7°above the horizontal. (b) Find the tension in the cable.


(c) How hard does the surface of the ramp push on the car?

Explanation / Answer

Tcos2 = mgsin1 T = mgsin1/cos2 = 5138N N - mgcos1 + Tsin2 = 0 N = mgcos1 - Tsin2 = 7751N

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