Question

A 1000 kg car slowly descends 20 meters down a hill covered with ice (no friction). See the figure.

(a) How much force tension does the cable do?

(b) How much work does the weight of the car do?

(c) How much work does cable tension do?

(d) What is the total work on the car?

Cable 25.0°

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Answer #1

mas (as T (0531²= mg sinas C = T= 1000 x 9.8x sinzs² = 4831.8 J Cos 31° Answer - Wmy = max(2om sino ) = 1000 x 9.8× 20 sinas

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