1. An object weighs 100 N in the air and 25 N when submerged in water. Calculate its volume andspecific weight.2. A 25 cm diameter cylinder is composed of material with specific gravity 0.8. Will it float in waterwith the ends horizontal if its length is 25 cm? Justify your answer with a solution. A spherical balloon is filled with5 pointsgas weighing 0.035 lb per cu ft. Ifthe standard air weigh 0.0765 lbper cu ft, what should be thediameter of the balloon if it isrequired to lift 150 lb and its ownweight? *

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Answered: 1. An object weighs 100 N in the air…

Engineering

Civil Engineering

1. An object weighs 100 N in the air and 25 N when submerged in water. Calculate its volume and specific weight.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter10: Force And Force-related Variables In Engineering

Section: Chapter Questions

Problem 18P: Using the information given in Table 10.4, determine the ratio of local pressure and density to...

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Concept explainers

Quantity takeoff

Quantity takeoffs (QTO) are precise estimates of the materials and labor costs required to finish a construction project. During the pre-construction phase, an estimator prepares them, breaking down the project into smaller, more manageable parts that are easier to evaluate. These measurements are used to prepare a construction scope bid. Estimators examine the drawings, specifications, and models to figure out different quantities and their costs. Since, the components, their quantity, and price are all included in the model, quantity take-off can be done automatically using Building Information Modelling (BIM). The time taken for completing a construction project can be reduced by the use of quantity takeoff. These takeoffs are also called material takeoffs and construction takeoffs.

Question

1. An object weighs 100 N in the air and 25 N when submerged in water. Calculate its volume and
specific weight.
2. A 25 cm diameter cylinder is composed of material with specific gravity 0.8. Will it float in water
with the ends horizontal if its length is 25 cm? Justify your answer with a solution.

A spherical balloon is filled with
5 points
gas weighing 0.035 lb per cu ft. If
the standard air weigh 0.0765 lb
per cu ft, what should be the
diameter of the balloon if it is
required to lift 150 lb and its own
weight? *

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