Mr. King's Physics Chapter 2
26 Questions I 3 Attempts I Created By CGVO 249 days agoQuestion Excerpt From Mr. King's Physics Chapter 2
| Q.1) | A 15-N force and a 45-N force act on an object in opposite directions. What is the net force on the object? |
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| Q.2) | What is the maximum resultant possible when adding a 2-N forcee to an 8-N force? |
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| Q.3) | A 5-N force and a 30-N force act in the same direction on an object. What is the net force on the object? |
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| Q.4) | What is the minimum resultant possible when adding a 5-N force to an 8-N force? |
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| Q.5) | Equilibrium occurs when |
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| Q.6) | A girl whose weight is 500 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension in each strand? |
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| Q.7) | The weight of a person can be represented by a vector that acts |
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| Q.8) | What would be the safest way to put up a clothesline? |
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| Q.9) | A barge is being pulled along a canal by two ropes that make equal angles with the direction in which the barge points. Assuming the two pulls on the barge are equal, in what direction does the barge move? |
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| Q.10) | A clothesline is stretched between two trees. A tire hangs in the middle of the line and the two halves of the line make equal angles with the horizontal. The tension in the line is |
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| Q.11) | A 100-N lantern is suspended by a pair of ropes with 120 degrees between them (each 60 degrees from the vertical). The tension in each rope is |
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| Q.12) | What is needed to describe a vector quantity? |
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| Q.13) | A scalar quantity has |
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| Q.14) | In order to find the components of a vector, you should |
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| Q.15) | You are helping your aunt move a piano onwheels from one room to another. When you push the piano horizontally, it moves at constant speed. What can you say about the piano? |
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| Q.16) | A quantity that has both magnitude and direction is called scalar quantity |
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| Q.17) | A quantity that has only magnitude is called a vector quantity |
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| Q.18) | Mass is a vector quantity |
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| Q.19) | a single vector can be replaced by two vectors in the x- and y- directions that are at right angles to each other. These two x and y vectors are called the resulatnats of the original vector |
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| Q.20) | Any vector can be represented by two other vectors that are right angles to each other |
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| Q.21) | Objects moving at constant speed in a straight-line path are in static equilibrium |
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| Q.22) | An object in static equilibrium is in a state of no motion |
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| Q.23) | What is the magnitude of the resulatant of a 6.0-N force acting vertically upward and a 4.0-N force acting horizontally? |
| Q.24) | a 230.0 kg bear grasping a vertical tree slides odwn at constant velocity. What is the friction force between the tree and the bear? |
| Q.25) | Two forces of 10 N both act on an object. The angle between the forces is 90. What is the magnitude of their resultant? |
| Q.26) | The following forces act on an object: 9 N north, 52 N south, and 55 N west. What is the magnitude of the net force? |
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