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Block 3 m3 Block 1 m, m2 Block 2 Note: Figure not drawn to scale. Three blocks are attached by strings in a system as shown above. Block 2 has twice the mass of block 1. Block 3 has 3 times the mass of block 1. The system is at rest. (a) The dots below represent the three blocks. Draw free-body diagrams showing and labeling the forces exerted on each block. Draw the relative lengths of all force vectors to reflect the relative magnitudes of all forces. Block 1 Block 2 Block 3 (b) What is the direction of the frictional force between block 3 and the table? Justify your ansvwer.

Block 3 m3 Block 1 m, m2 Block 2 Note: Figure not drawn to scale. Three blocks are attached by strings in a system as shown above. Block 2 has twice the mass of block 1. Block 3 has 3 times the mass of block 1. The system is at rest. (a) The dots below represent the three blocks. Draw free-body diagrams showing and labeling the forces exerted on each block. Draw the relative lengths of all force vectors to reflect the relative magnitudes of all forces. Block 1 Block 2 Block 3 (b) What is the direction of the frictional force between block 3 and the table? Justify your ansvwer.

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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Where is the friction Force for the block 3?

And why on F.B.D for the block 3 , size of T1 is 3 "squares" and not 2 as on F.B.D for the block 1

The second picture is the answers . Is there mistake on F.B.D for the block 3?

Thanks 

FN Fg Fg Fg (a) With the blocks in static equilibrium, the sum of forces in each direction must equal zero. Thus the net force on any one block in both the horizontal and vertical directions must equal zero; from this it follows that the net force on the equal zero. The free-body diagrams demonstrate this with equal forces in both the horizontal and vertical directions. system will (b) The tension force on block 2 will be twice the tension force on block 1; thus the tensions produce an unbalanced net force on block 3 to the right that is equal to the difference in the tensions, which is equal to the weight of block 1.
Transcribed Image Text:FN Fg Fg Fg (a) With the blocks in static equilibrium, the sum of forces in each direction must equal zero. Thus the net force on any one block in both the horizontal and vertical directions must equal zero; from this it follows that the net force on the equal zero. The free-body diagrams demonstrate this with equal forces in both the horizontal and vertical directions. system will (b) The tension force on block 2 will be twice the tension force on block 1; thus the tensions produce an unbalanced net force on block 3 to the right that is equal to the difference in the tensions, which is equal to the weight of block 1.
Block 3 m3 Block 1 m1 m2 Block 2 Note: Figure not drawn to scale. Three blocks are attached by strings in a system as shown above. Block 2 has twice the mass of block 1. Block 3 has 3 times the mass of block 1. The system is at rest. (a) The dots below represent the three blocks. Draw free-body diagrams showing and labeling the forces exerted on each block. Draw the relative lengths of all force vectors to reflect the relative magnitudes of all forces. Block 1 Block 3 Block 2 (b) What is the direction of the frictional force between block 3 and the table? Justify your answer.
Transcribed Image Text:Block 3 m3 Block 1 m1 m2 Block 2 Note: Figure not drawn to scale. Three blocks are attached by strings in a system as shown above. Block 2 has twice the mass of block 1. Block 3 has 3 times the mass of block 1. The system is at rest. (a) The dots below represent the three blocks. Draw free-body diagrams showing and labeling the forces exerted on each block. Draw the relative lengths of all force vectors to reflect the relative magnitudes of all forces. Block 1 Block 3 Block 2 (b) What is the direction of the frictional force between block 3 and the table? Justify your answer.
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