Block 1 (3.5 kg) is resting on the surface of a table. On a sheet of paper, draw the free body diagram for block 1 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. (use g = 10 m/s?) Remember that the x-component is the "" component and the y-component is the "j" component. FORCES on BLOCK 1 Weight force on block 1 by Earth: 100 (two-subscript notation) The Weight on block 1 by the Earth has the notation: W1E. Value = o i+ -100 jN Remember that W1E points down (negative y-value) with a magnitude of m1 * g. Submit Answer Incorrect. Tries 1/2 Previous Tries Normal force on block 1 by Surface: (two-subscript notation) Value = i + jN

Block 1 (3.5 kg) is resting on the surface of a table. On a sheet of paper, draw the free body diagram for block 1 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. (use g = 10 m/s?) Remember that the x-component is the "" component and the y-component is the "j" component. FORCES on BLOCK 1 Weight force on block 1 by Earth: 100 (two-subscript notation) The Weight on block 1 by the Earth has the notation: W1E. Value = o i+ -100 jN Remember that W1E points down (negative y-value) with a magnitude of m1 * g. Submit Answer Incorrect. Tries 1/2 Previous Tries Normal force on block 1 by Surface: (two-subscript notation) Value = i + jN

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: Newton's Laws Of Motion

Section: Chapter Questions

Problem 68P: A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is...

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A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first block. The surfaces of the blocks are rough. A constant force of magnitude F is applied to the first block as in Figure P4.68. (a) Construct free-body diagrams for each block. (b) Identify the horizontal force that causes the block of mass m to accelerate. (c) Assume that the upper block does not slip on the lower block, and find the acceleration of each block in terms of m and F. Figure P4.68
A block of mass 3m is placed on a frictionless horizontal surface, and a second block of mass m is placed on top of the first block. The surfaces of the blocks are rough. A constant force of magnitude F is applied to the first block as in Figure P4.68. (a) Construct free-body diagrams for each block. (b) Identify the horizontal force that causes the block of mass m to accelerate. (c) Assume that the upper block does not slip on the lower block, and find the acceleration of each block in terms of m and F. Figure P4.68
What forces act on you as you walk across a room? Draw a free-body diagram showing all of them. Which force or forces propel you forward? Why is it more difficult to walk on a slippery surface than on a nonslippery one? Explain how you use Newtons third law to control your motion.
Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 75.0 N, the second a force of 90.0 N, friction is 12.0 N, and the mass of the third child plus wagon is 23.0 kg. (a) What is the system of interest if the acceleration of the child in the wagon is to be calculated? (b) Draw a free-body diagram, including all forces acting on the system. (c) Calculate the acceleration. (d) What would the acceleration be if friction were 15.0 N?
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Block 1 (m1 = 6 kg) is resting on top of block 2 (m2 = 2 kg) on the floor of an elevator. The elevator is moving downward with an increasing speed and the magnitude of the acceleration is 1 m/s2. On a sheet of paper, draw the free body diagrams for block 1 and block 2 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. Remember that the x-component is the "i" component and the y-component is the "j" component.NET force on Block 1Fnet1 = i + j NNET force on Block 2Fnet2 = i + j N Tries 0/2 FORCES on BLOCK 1Weight force on block 1 by EarthW1E = i + j NNormal force on block 1 by block 2N12 = i + j N Tries 0/2 FORCES on BLOCK 2Weight force on block 2 by EarthW2E = i + j NNormal force on block 2 by block 1N21 = i + j NNormal force on block 2 by SurfaceN2S = i + j N
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