Physics for Scientists and Engineers, Vol. 1
6th Edition
ISBN: 9781429201322
Author: Paul A. Tipler, Gene Mosca
Publisher: Macmillan Higher Education
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Chapter 12, Problem 51P
To determine
Whether it support the elevator or not.
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A vertical steel beam in a building supports a load of 7.2 104 N.
(a) If the length of the beam is 4.0 m and its cross-sectional area is 7.1 10-3 m2, find the distance the beam is compressed along its length. (b) What maximum load in newtons could the steel beam support before failing?
A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 1.3 106 N. For safety, the cable must support twice that load.
(a) What cross-sectional area should the cable have if it's to be made of steel? (b) By how much will a 9.0-m length of this cable stretch when subject to the 1.3 106-N load?
A steel cable with a radius of 1.5cm supports a chairlift at a ski area. If the maximum stress is not to exceed 10 8N/m2. What is the maximum load the cable can support?
WL is not 3580, and Fp is not 12000
Chapter 12 Solutions
Physics for Scientists and Engineers, Vol. 1
Ch. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10P
Ch. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - Prob. 37PCh. 12 - Prob. 38PCh. 12 - Prob. 39PCh. 12 - Prob. 40PCh. 12 - Prob. 41PCh. 12 - Prob. 42PCh. 12 - Prob. 43PCh. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Prob. 48PCh. 12 - Prob. 49PCh. 12 - Prob. 50PCh. 12 - Prob. 51PCh. 12 - Prob. 52PCh. 12 - Prob. 53PCh. 12 - Prob. 54PCh. 12 - Prob. 55PCh. 12 - Prob. 56PCh. 12 - Prob. 57PCh. 12 - Prob. 58PCh. 12 - Prob. 59PCh. 12 - Prob. 60PCh. 12 - Prob. 61PCh. 12 - Prob. 62PCh. 12 - Prob. 63PCh. 12 - Prob. 64PCh. 12 - Prob. 65PCh. 12 - Prob. 66PCh. 12 - Prob. 67PCh. 12 - Prob. 68PCh. 12 - Prob. 69PCh. 12 - Prob. 70PCh. 12 - Prob. 72PCh. 12 - Prob. 73PCh. 12 - Prob. 74PCh. 12 - Prob. 75PCh. 12 - Prob. 76P
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- Two rods, one made of copper and the other of steel, have the same dimensions. If the copper rod stretches by 0.15mm under some stress, how much does the steel rod stretch under the same stress?arrow_forwardI'M STUCK! A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 1.3 106 N. For safety, the cable must support twice that load. (a) What cross-sectional area should the cable have if it's to be made of steel? m2(b) By how much will a 9.0-m length of this cable stretch when subject to the 1.3 106-N load? marrow_forward7. A 6.0 m cylindrical steel beam 3.50 cm in diameter supports an overhead walkway. The beam is designed to not stretch more than 5.0 x 10-5 m. What is the maximum load that the beam can withstand? If we assume an average mass of a person to be 75.0 kg, could the walkway support two people? Y steel = 20 x 101º N/m?arrow_forward
- A cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 1.7 106 N. For safety, the cable must support twice that load. (a) What cross-sectional area should the cable have if it's to be made of steel? (b) By how much will a 7.0-m length of this cable stretch when subject to the 1.7 106-N load?arrow_forwardSteel beams are used for load bearing supports in a building. Each beam is 4.0 m long with a cross-sectional area of 8.5 × 103 m² and supports a load of 4.7 x 10“ N. Young's modulus for steel is 210 x 109 N/m2. (a) How much compression (in mm) does each beam adergo along its length? 0.00012 Consider the basic definition for Young's modulus. mm (b) Determine the maximum load (in N) one of these beams can support without any structural failure if the compressive strength of steel is 1.50 x 108 N/m². N. Additional Materialsarrow_forwardA cable used to lift heavy materials like steel I-beams must be strong enough to resist breaking even under a load of 2.0 x 106 N. For safety, the cable must support twice that load. (a) What cross-sectional area should the cable have if it's to be made of steel?_____m2(b) By how much will a 8.0-m length of this cable stretch when subject to the 2.0 x 106-N load?____marrow_forward
- A vertical steel beam in a building supports a load of 6.0 x 104 N. a) If the length of the beam is 4.0 m and its cross-sectional area is 8.0 x 10-3 m2, find the distance the beam is compressed along its length. (b) What maximum load in newtons could the steel beam support before failing?arrow_forwardA leg has 1.4 m shaft of bone with an average cross sectional area of 3x10-4 m². What is the amount of shortening when all of the body weight of 800 N is supported on this leg assuming young modulus = 1.8x1010 N/m.? O 0.15 mm O 3.0 m O 0.43 mm O 0.21 mmarrow_forwardGggarrow_forward
- A force compresses a bone by 1.0 mm. A second bone has the same length but twice the cross-sectional area as the first. By how much would the same force compress this second bone? 0.50 mm 1.0 mm 2.0 mm 4.0 mm 8.0 mmarrow_forwardA rectangular steel column (20.0 cm x 15.0 cm) supports a load of 12.0 metric tons. If the column is 2.00 m in length before being stressed, what is the decrease in length?arrow_forwardA support column that is pinned at one end and fixed at the other is to be used to support a 12000- pound load (P 12000 lbf). The support is required to be a hollow tube with a length of 3 feet (1 = 12 in.) and an outer diameter of 1.5 inches (do 1.5 in.). Determine the wall thickness of the tube that will maintain a safety factor of 1.8 (n = 1.8) if the material to be used is aluminum (E 10.4 Mpsi, Sy = 60 ksi). = = do = Ø 1.5 in.arrow_forward
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