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[Insert Puzzler Here]. ANNOUNCEMENTS. 1 of 3. a. A farm tractor is accelerating over level ground. The force of friction acting upon the tractor due to the ground is best represented by which vector?. 3. 2. 1. F Fr. F Fr. F Fr. 3. 2 of 3.

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  1. [Insert Puzzler Here]

  2. ANNOUNCEMENTS

  3. 1 of 3 a A farm tractor is accelerating over level ground. The force of friction acting upon the tractor due to the ground is best represented by which vector? 3 2 1 FFr FFr FFr 3

  4. 2 of 3 • A farm tractor is pulling a wagon. The tractor is three times heavier than the wagon. The tractor starts from rest and accelerates for a short while. The magnitude of the force with which the wagon pulls on the tractor is • Zero. • One-third of that with which the tractor pulls on the wagon. • Equal to that with which the tractor pulls on the wagon. • Three times that with which the tractor pulls on the wagon. a 4

  5. 3 of 3 • A farm tractor is pulling a wagon. The tractor is moving with uniform speed over the level earth. The net force acting upon the wagon is • To the right. • Zero. • To the left. v 5

  6. ANNOUNCEMENTS

  7. II5 Exit Homework Problem #1

  8. II5 Exit Homework Problem #2

  9. 1 of 3 a A farm tractor is accelerating over level ground. The force of friction acting upon the tractor due to the ground is best represented by which vector? 3 2 1 FFr FFr FFr 9

  10. 2 of 3 • A farm tractor is pulling a wagon. The tractor is three times heavier than the wagon. The tractor starts from rest and accelerates for a short while. The magnitude of the force with which the wagon pulls on the tractor is • Zero. • One-third of that with which the tractor pulls on the wagon. • Equal to that with which the tractor pulls on the wagon. • Three times that with which the tractor pulls on the wagon. a 10

  11. 3 of 3 • A farm tractor is pulling a wagon. The tractor is moving with uniform speed over the level earth. The net force acting upon the wagon is • To the right. • Zero. • To the left. v 11

  12. PROJECTION SCREEN 1 4 1 4 1 4 1 4 2 5 2 5 2 5 2 5 3 6 3 6 3 6 3 6 II5: PLEASE HAND IN TODAY’S ACTIVITIES SHEETS 12

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