A 100-kg mass block (A) is located on a slope, as shown in Figure 3. The...
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A 100-kg mass block (A) is located on a slope, as shown in Figure 3. The mass block at Point A is pulled by a cable through a drum at Point B, and a friction coefficient of 0.5 is presented both between both the mass block and the slope surface, and the cable and drum at Point B. The mass block A is L=(1+n) metre away from the top of the slope, where n is the second last digit of your SID number. For example, if your SID number is 501493827 with the second last digit being 2, then L = 1 + 2 = 3 m. (a) If there is no tension force presented inside the cable, calculate the external forces on block A. (b) If a pully is installed at Point B, determine the magnitude of force T required to be able to move the mass block A on the slope. (c) If Point B is fixed and no rotation is allowed, and the cable is considered as a flexible belt. determine the magnitude of force T required to be able to move the mass block A on the slope. (d) For the flexible belt in (c), determine the maximum tension force experienced for the whole process of moving the block throughout the slope. (Hint: to develop a symbolic relation containing variable L) Note that the geometrical dimensions for A (mass block) and B (drum) can be neglected during the calculation. ------------- α 20 m L B 45° 10 m 15 m A 100-kg mass block (A) is located on a slope, as shown in Figure 3. The mass block at Point A is pulled by a cable through a drum at Point B, and a friction coefficient of 0.5 is presented both between both the mass block and the slope surface, and the cable and drum at Point B. The mass block A is L=(1+n) metre away from the top of the slope, where n is the second last digit of your SID number. For example, if your SID number is 501493827 with the second last digit being 2, then L = 1 + 2 = 3 m. (a) If there is no tension force presented inside the cable, calculate the external forces on block A. (b) If a pully is installed at Point B, determine the magnitude of force T required to be able to move the mass block A on the slope. (c) If Point B is fixed and no rotation is allowed, and the cable is considered as a flexible belt. determine the magnitude of force T required to be able to move the mass block A on the slope. (d) For the flexible belt in (c), determine the maximum tension force experienced for the whole process of moving the block throughout the slope. (Hint: to develop a symbolic relation containing variable L) Note that the geometrical dimensions for A (mass block) and B (drum) can be neglected during the calculation. ------------- α 20 m L B 45° 10 m 15 m
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a My SID number is 5829741 so n 1 L 10 1 1 8 m The external forces on block A ... View the full answer
Related Book For
Basic Finance An Introduction to Financial Institutions Investments and Management
ISBN: 978-1111820633
10th edition
Authors: Herbert B. Mayo
Posted Date:
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