Answer Happy

man mply LA han nore 10. While a Ferris wheel turns at white lar speed, a seat on the rim has (A) nonzero radial acceleration and tangential acceleration (B) nonzero tangential acceleration and zero radial acceleration. (C) nonzero radial acceleration and nonzero tangential acceleration (D) zero radial acceleration and zero tan- gential acceleration (E) none of the above. eater water own m/s m/s peed rep- n of 11. A stalled car is being pushed up a hill at constant velocity by three people. The net force on the car is (A) zero. (B) up the hill and equal to the weight of the car. (C) down the hill and equal to the weight of the ear. (D) up the hill and greater than the weight of the car. (E) down the hill and greater than the weight of the car. sed ar- ect it 12. A 615 N student standing on a scale in an elevator notices that the scale reads 645 N. From this information, the student knows that the elevator must be moving (A) downward. (B) upward (C) You cannot tell if it is moving upward or downward

11. A stalled car is being pushed up a hill at constant velocity by three people. The net force on the car is (A) zero. (B) up the hill and equal to the weight of the car. down the hill and equal to the weight of the car. (D) up the hill and greater than the weight of the car. (E) down the hill and greater than the weight of the car. 12. A 615 N student standing on a scale in an elevator notices that the scale reads 645 N. From this information, the student knows that the elevator must be moving (A) downward (B) upward. You cannot tell if it is moving upward or downward.