Which of the following is an external effect of a force? O NONE OF THE GIVEN CHOICES O A rubber ball became distorted after it was kicked. O An elastic string is pulled at both ends causing the string to elongate. O A chain composed of several links is pulled at both ends. As a consequence which each linked exerted a force on the links connected to it. O A man pushes an unlocked door causing the door to open. Ne Previous

Which of the following is an external effect of a force? O NONE OF THE GIVEN CHOICES O A rubber ball became distorted after it was kicked. O An elastic string is pulled at both ends causing the string to elongate. O A chain composed of several links is pulled at both ends. As a consequence which each linked exerted a force on the links connected to it. O A man pushes an unlocked door causing the door to open. Ne Previous

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 46P: In the situation described in Problem 45 and Figure P4.45, the masses of the rope, spring balance,...

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In the situation described in Problem 45 and Figure P4.45, the masses of the rope, spring balance, and pulley are negligible. Nicks feet are not touching the ground. (a) Assume Nick is momentarily at rest when he stops pulling down on the rope and passes the end of the rope to another child, of weight 440 N, who is standing on the ground next to him. The rope does not break. Describe the ensuing motion. (b) Instead, assume Nick is momentarily at rest when he ties the end of the rope to a strong hook projecting from the tree trunk. Explain why this action can make the rope break. Figure P4.45 Problems 45 and 46.
A particle of mass m has speed υ = α/x, where x is its displacement. Find the force F(x) responsible.
What is the condition for motion when more than one force acts?
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The IKAROS spacecraft, launched in 2010, was designed to test the feasibility of solar sails for spacecraft propulsion. These large, ultralight sails are pushed on by the force of light from the sun, so the spacecraft doesn’t need to carry any fuel. The force on IKAROS’s sails was measured to be 1.12 mN. If this were the only force acting on the 290 kg spacecraft, by how much would its speed increase after 6 months of flight?