# physics help plz!!!!!!

Anonymous
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Physics
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Question description

In the force diagram below, which force should you find the components of?

 a b c You shouldn't find components of any of the forces shown.
 Use this diagram to answer the next two questions.
9. Which diagram below matches the system schema shown?
10. Which force diagram below matches the system schema shown?
11. You push a rolling chair across a smooth tile floor by giving it a shove. The chair shoots across the room while you remain in place. Which statement describes the appearance of the system schema?
 No line connects your hand to the chair because you are no longer in contact with it and do not influence the motion. A dotted line connects your hand to the chair because even though your push caused the motion, you can no longer influence it. A dotted line connects your hand to the chair because you are no longer in contact with it, but your push caused the motion. A solid line connects your hand to the chair because even though you are no longer in contact with it, your push caused the motion.
 Use this information to answer the next 5 questions: The worker pushes downward and to the left on the box at an angle of 35°.The box moves horizontally across the floor to the left at a constant velocity.
12. Which system schema matches the situation shown?
13. Which force diagram matches the given situation?
14. If the force applied by the man is 2030 N∠215°, what is the value of the support force?
 1663 N 1164 N 1324 N 2489 N
15. What is the value of the friction force?
 1663 N 2489 N 1324 N 1164 N
16. What is the value of the acceleration of the box?
 18.4 m/s2 6.7 m/s2 12.3 m/s2 0 m/s2
17. Which force or which component of a force balances the friction force in the diagram shown?

 the gravity force the component of gravity force that is perpendicular to the ramp the support force the component of gravity force that is parallel to the ramp
18. Which direction will the support force provided by the wall point when the force diagram is drawn? The book is held motionless.

 right up down left
19. What is the value of the tension force in the rope? The mass of the bucket and its contents is 6.2 kg. The acceleration is 0.93 m/s2 upwards.

 66.6 N 5.77 N 60.8 N 55.1 N
20. By referring to the nine similar diagrams in the text discussion and examples, for the system schema shown, how many forces will be placed on the indicated object when the force diagram is drawn?

 5 10 4 3

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