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p201f02-exam01

# p201f02-exam01 - Seat Physics P201 D Baxter/R Heinz EXAM#1...

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1. Two forces, one with a magnitude of 3 N and the other with a magnitude of 5 N, are applied to an object. For which orientation of the forces is the magnitude of the acceleration of the object the least ? a. I b. II c. III d. IV e. V 2. A crate rests on a horizontal surface and a woman pulls on it with a 10-N force. Rank the situations shown below according to the magnitude of the normal force exerted by the surface on the crate, least to greatest . a. 3, 1, 2 2, 1, 3 c. 2, 3, 1 d. 1, 3, 2 e. 3, 2, 1
3. A box with a weight of 50 N rests on a horizontal surface. A person pulls horizontally on it with a force of 10 N and it does not move. To start it moving, a second person pulls vertically upward on the box. If the coefficient of static friction is 0.4, what is the smallest vertical force for which the box moves? a. 5 N b. 10 N c. 15 N d. 25 N e. 35 N 4. Two ropes are attached to a 20 kg object in outer space. The first rope applies a force of 30 N and the second, 40 N. These are the only two forces acting on the object. If the two ropes are perpendicular to each other, what is the magnitude of the resultant acceleration of the object?

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p201f02-exam01 - Seat Physics P201 D Baxter/R Heinz EXAM#1...

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