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Part A An object at rest cannot remain at rest unless which of the following holds? ► View Available Hint(s) The net force acting on it is zero. The net force acting on it is constant and nonzero. The forces acting on it remain constant. There is only one force acting on it. Submit Part B If a block is moving to the left at a constant velocity, what can one conclude ► View Available Hint(s) There is exactly one force applied to the block. The net force applied to the block is directed to the left. The net force applied to the block is zero. There must be no forces at all applied to the block.

Part A An object at rest cannot remain at rest unless which of the following holds? ► View Available Hint(s) The net force acting on it is zero. The net force acting on it is constant and nonzero. The forces acting on it remain constant. There is only one force acting on it. Submit Part B If a block is moving to the left at a constant velocity, what can one conclude ► View Available Hint(s) There is exactly one force applied to the block. The net force applied to the block is directed to the left. The net force applied to the block is zero. There must be no forces at all applied to the block.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Part A** **Question:** An object at rest cannot remain at rest unless which of the following holds? - The net force acting on it is zero. - The net force acting on it is constant and nonzero. - The forces acting on it remain constant. - There is only one force acting on it. **Part B** **Question:** If a block is moving to the left at a constant velocity, what can one conclude? - There is exactly one force applied to the block. - The net force applied to the block is directed to the left. - The net force applied to the block is zero. - There must be no forces at all applied to the block.
Transcribed Image Text:**Part A** **Question:** An object at rest cannot remain at rest unless which of the following holds? - The net force acting on it is zero. - The net force acting on it is constant and nonzero. - The forces acting on it remain constant. - There is only one force acting on it. **Part B** **Question:** If a block is moving to the left at a constant velocity, what can one conclude? - There is exactly one force applied to the block. - The net force applied to the block is directed to the left. - The net force applied to the block is zero. - There must be no forces at all applied to the block.
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part b - object moving left with constant velocity

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**Part C** A block of mass 2 kg is acted upon by two forces: 3 N (directed to the left) and 4 N (directed to the right). What can you say about the block's motion? - It must be moving to the left. - It must be moving to the right. - It must be at rest. - It could be moving to the left, moving to the right, or be instantaneously at rest. **Part D** A massive block is being pulled along a horizontal frictionless surface by a constant horizontal force. The block must be _________. - continuously changing direction - moving at constant velocity - moving with a constant nonzero acceleration - moving with continuously increasing acceleration
Transcribed Image Text:**Part C** A block of mass 2 kg is acted upon by two forces: 3 N (directed to the left) and 4 N (directed to the right). What can you say about the block's motion? - It must be moving to the left. - It must be moving to the right. - It must be at rest. - It could be moving to the left, moving to the right, or be instantaneously at rest. **Part D** A massive block is being pulled along a horizontal frictionless surface by a constant horizontal force. The block must be _________. - continuously changing direction - moving at constant velocity - moving with a constant nonzero acceleration - moving with continuously increasing acceleration
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