A door has a height of 2.1 m along a y axis that extends vertically upward and a width of 1.05 m along an x axis that extends outward from the hinged edge of the door. A hinge 0.23 m from the top and a hinge 0.23 m from the bottom each support half the door's mass, which is 16 kg. In unit-vector notation, what are the forces on the door at (a) the top hinge and (b) the bottom hinge? (a) Number i + j Units (b) Number i + j Units
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- The diagram shows a uniform 30 cm strut weighing 5 N supporting a 10 N weight 10 cm from the pivot. Find the tension in the cable attached to the wall. 10 cm 10 N 30°Do Chapter 12, Problem 11a. (Problem 19a in the 9th ed.) Calculate the tension in the cable, in Newtons. θ = 20o d = 1 m ℓ = 8 m M = 2,000 kg Cable's distance from the hinge (5 m in the text) is c = 5 m h = 12 m Lot's mass (1000 kg in the text) is m = 1,000 kgA door has a height of 2.1 m along a y axis that extends vertically upward and a width of 1.08 m along an x axis that extends outward from the hinged edge of the door. A hinge 0.21 m from the top and a hinge 0.21 m from the bottom each support half the door's mass, which is 19 kg. In unit-vector notation, what are the forces on the door at (a) the top hinge and (b) the bottom hinge? (a) Number j Units (b) Number j Units
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