Recent content by cartoonorange

Thanks, I got it, I was not include the tension from the rope

I figured out a, but i am still lost on b

Homework Statement A sled weighing 250 N rests on a 15° incline, held in place by static friction (Figure 5-61). The coefficient of static friction is 0.5. a)What is the magnitude of the static friction on the sled? The sled is now pulled up the incline at constant speed by a child...

Homework Statement Three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The masses are mA = 32.0 kg, mB = 40.0 kg, mC = 18.0 kg. (box a is on the horizontal suface and b and c hang down. (a) When the...