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Chapter 6: Dynamics I: Motion Along a Line

Expert-verified
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 131 - 158
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

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Illustration

99 Questions for Chapter 6: Dynamics I: Motion Along a Line

  1. The three ropes in FIGUREEX6.1are tied to a small, very light ring. Two of these ropes are anchored to walls at right angles with the tensions shown in the figure. What are the magnitude and direction of the tension T3→in the third rop

    Found on Page 154

  2. Are the objects described here in equilibrium while at rest, in equilibrium while in motion, or not in equilibrium at all? Explain.

    Found on Page 153

  3. Suppose you attempt to pour out 100 g of salt, using a pan balance for measurements, while in a rocket accelerating upward. Will the quantity of salt be too much, too little, or the correct amount? Explain

    Found on Page 153

  4. FIGURE EX6.10shows the velocity graph of a 2.0kgobject as it moves along the x-axis. What is the net force acting on this object at t=1s? At 4s? At 7

    Found on Page 154

  5. An astronaut orbiting the earth is handed two balls that have identical outward appearances. However, one is hollow while the other is filled with lead. How can the astronaut determine which is which? Cutting or altering the balls is not allowed?

    Found on Page 153

  6. FIGURE EX6.11shows the force acting on a 2.0kgobject as it moves along the x-axis. The object is at rest at the origin att=0s.What are its acceleration and velocity at t=6

    Found on Page 154

  7. A hand presses down on the book in FIGURE Q6.12. Is the normal force of the table on the book larger than, smaller than, or equa

    Found on Page 153

  8. A horizontal rope is tied to a 50kgbox on frictionless ice. What is the tension in the rope if:

    Found on Page 154

  9. Boxes A and B in FIGURE Q6.13 both remain at rest. Is the friction force on A larger than, smaller than, or equal to the friction force on B? Explain

    Found on Page 153

  10. A 50kgbox hangs from a rope. What is the tension in the rope if:

    Found on Page 154

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