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1. A bicycle is travelling at constant velocity on a horizontal road. Which of the following statements are true? (You may choose more than one.) O a) The total force on the bicycle is parallel to the motion. O b) The total force on the bicycle is antiparallel to the motion. O c) No forces are acting on the bicycle. O d) Various forces are acting on the bicycle, and their sum is zero. O e) Air resistance forces are approximately parallel to the velocity. O f) Air resistance forces are approximately antiparallel to the velocity. O 8) Overall, friction between the tires and the road is pushing the bicycle forwards.

1. A bicycle is travelling at constant velocity on a horizontal road. Which of the following statements are true? (You may choose more than one.) O a) The total force on the bicycle is parallel to the motion. O b) The total force on the bicycle is antiparallel to the motion. O c) No forces are acting on the bicycle. O d) Various forces are acting on the bicycle, and their sum is zero. O e) Air resistance forces are approximately parallel to the velocity. O f) Air resistance forces are approximately antiparallel to the velocity. O 8) Overall, friction between the tires and the road is pushing the bicycle forwards.

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1. A bicycle is travelling at constant velocity on a horizontal road. which of the following statements are true? (You may choose more than one.) O a) The total force on the bicycle is parallel to the motion. O b) The total force on the bicycle is antiparallel to the motion. O C) No forces are acting on the bicycle. O d) Various forces are acting on the bicycle, and their sum is zero. O e) Air resistance forces are approximately parallel to the velocity. O f) Air resistance forces are approximately antiparallel to the velocity. O 8) Overall, friction between the tires and the road is pushing the bicycle forwards.
Transcribed Image Text:1. A bicycle is travelling at constant velocity on a horizontal road. which of the following statements are true? (You may choose more than one.) O a) The total force on the bicycle is parallel to the motion. O b) The total force on the bicycle is antiparallel to the motion. O C) No forces are acting on the bicycle. O d) Various forces are acting on the bicycle, and their sum is zero. O e) Air resistance forces are approximately parallel to the velocity. O f) Air resistance forces are approximately antiparallel to the velocity. O 8) Overall, friction between the tires and the road is pushing the bicycle forwards.
A slack rope walker balances on a rope tied between two trees. For a short time, he is not moving. His mass is 72 kg. The rope makes an angle 0 = 22° with the horizontal on either side. What is the magnitude of the tension in the rope? Tension T = newtons
Transcribed Image Text:A slack rope walker balances on a rope tied between two trees. For a short time, he is not moving. His mass is 72 kg. The rope makes an angle 0 = 22° with the horizontal on either side. What is the magnitude of the tension in the rope? Tension T = newtons
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