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Physics A truck with a gross weight of 30,000
pounds is parked on a slope of d° (see figure). Assume
that the only force to overcome is the force of gravity

73. Physics A truck with a gross weight of 30,000
pounds is parked on a slope of d° (see figure). Assume
that the only force to overcome is the force of gravity.
Weight = 30,000 lb
(a) Find the force required to keep the truck from
rolling down the hill in terms of d.
A (b) Use a graphing utility to complete the table.
d
0° | 1° | 2° | 3° | 4° | 5°
Force
d
6° 7° | 8° | 9° | 10°
Force
(c) Find the force perpendicular to the hill when d = 5°.

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