1-7. A rocket has a mass of 250(10³) slugs on earth.Specify (a) its mass in SI units and (b) its weight in SI units.If the rocket is on the moon, where the acceleration due togravity is gm = 5.30 ft/s², determine to three significantfigures (c) its weight in SI units and (d) its mass in SI units.%3D*1-8. If a car is traveling at 55 mi/h, determine its speed inkilometers per hour and meters per second.1-9. The pascal (Pa) is actually a very small unit ofpressure. To show this, convert 1 Pa = 1 N/m² to lb/ft².Atmospheric pressure at sea level is 14.7 lb/in². How manypascals is this?1-10. What is the weight in newtons of an object that has amass of: (a) 10 kg, (b) 0.5 g, and (c) 4.50 Mg? Express theresult to three significant figures. Use an appropriate prefix.1-11. Evaluate each of the following to three significantfigures and express each answer in Sl units usingan appropriate prefix: (a) 354 mg(45 km)/(0.0356 kN),(b) (0.004 53 Mg)(201 ms), and (c) 435 MN/23.2 mm. 1-1. Round off the following numbers to three significant 1-12. The specific weight (wt./vol.) of brass is 520 lb/ft’.figures: (a) 4.65735 m, (b) 55.578 s, (c) 4555 N, and(d) 2768 kg.Determine its density (mass/vol.) in SI units. Use anappropriate prefix.1-2. Represent each of the following combinations of unitsin the correct SI form using an appropriate prefix: (a) µMN,(b) N/µm, (c) MN/ks², and (d) kN/ms.1-13. Convert each of the following to three significantfigures: (a) 20 lb ft to N•m, (b) 450 lb/ft to kN/m², and(c) 15 ft/h to mm/s.1-3. Represent each of the following quantities in thecorrect SI form using an appropriate prefix: (a) 0.000431 kg,(b) 35.3(10) N, and (c) 0.00532 km.1-14. The density (mass/volume) of aluminum is5.26 slug/ft. Determine its density in SI units. Use anappropriate prefix.*1-4. Represent each of the following combinations ofunits in the correct SI form: (a) Mg/ms, (b) N/mm, and(c) mN/(kg us).1-5. Represent each of the following combinations of *1-16. Two particles have a mass of 8 kg and 12 kg,units in the correct SI form using an appropriate prefix:(a) kN/us, (b) Mg/mN, and (c) MN/(kg · ms).1-15. Water has a density of 1.94 slug/ft. What is thedensity expressed in SI units? Express the answer to threesignificant figures.respectively. If they are 800 mm apart, determine the forceof gravity acting between them. Compare this result withthe weight of each particle.1-6. Represent each of the following to three significantfigures and express each answer in SI units using anappropriate prefix: (a) 45 320 kN, (b) 568(10°) mm, and (c)0.005 63 mg.1-17. Determine the mass in kilograms of an object thathas a weight of (a) 20 mN, (b) 150 kN, and (c) 60 MN.Express the answer to three significant figures.

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1-7. A rocket has a mass of 250(10) slugs on earth. Specify (a) its mass in SI units and (b) its weight in SI units. If the rocket is on the moon, where the acceleration due to gravity is g„ = figures (c) its weight in SI units and (d) its mass in SI units. 5.30 ft/s, determine to three significant %3D

1-7. A rocket has a mass of 250(10) slugs on earth. Specify (a) its mass in SI units and (b) its weight in SI units. If the rocket is on the moon, where the acceleration due to gravity is g„ = figures (c) its weight in SI units and (d) its mass in SI units. 5.30 ft/s, determine to three significant %3D

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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