Statics and Mechanics of Materials (5th Edition)
5th Edition
ISBN: 9780134382593
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 1.5, Problem 21P
If a man weighs 155 lb on earth, specify (a) his mass in kilograms, and (b) his weight in newtons. If the man is on the moon, where the acceleration due to gravity is gm = 5.30 ft/s2, determine (c) his weight in pounds, and (d) his mass in kilograms.
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A student weighs 180 lb. Determine his mass in slugs. Convert his weight to newtons and calculate the corresponding mass in
kilograms.
Answers:
Student mass=
i
Student weight = i
Student mass=
i
slugs
N
kg
Determine the weight in newtons of a woman whose weight in pounds is 130. Also, find her mass in slugs and in slugs and in kilograms determine your own weight in newtons
1. The weight of a body is 100 lbm. Determine the following:
a. Its weight in Newtons (N);
b. Its mass in kilograms (kg); and
c. The rate of acceleration in SI and English units if a net force of 50 lb; is
applied to the body.
Chapter 1 Solutions
Statics and Mechanics of Materials (5th Edition)
Ch. 1.5 - What is the weight in newtons of an object that...Ch. 1.5 - Represent each of the following combinations of...Ch. 1.5 - Represent each of 1he following combinations of...Ch. 1.5 - Convert: (a) 200 lb ft to N m, (b) 350 lb/ft3 to...Ch. 1.5 - Represent each of the following as a number...Ch. 1.5 - Round off the following numbers to three...Ch. 1.5 - Represent each of the following quantities in the...Ch. 1.5 - Represent each of the following combinations of...Ch. 1.5 - Represent each of the following combinations of...Ch. 1.5 - Represent each of the following combinations of...
Ch. 1.5 - Represent each of the following with SI units...Ch. 1.5 - Evaluate each of the following to three...Ch. 1.5 - Convert each of the following to three significant...Ch. 1.5 - Evaluate each of the following to three...Ch. 1.5 - Using the SI system of units, show that Eq. 12 is...Ch. 1.5 - The pascal (Pa) is actually a very small unit of...Ch. 1.5 - What is the weight in newtons of an object that...Ch. 1.5 - Evaluate each of the following to three...Ch. 1.5 - A concrete column has a diameter of 350 mm and a...Ch. 1.5 - Two particles have a mass of 8 kg and 12 kg,...Ch. 1.5 - If a man weighs 155 lb on earth, specify (a) his...
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- Determine the weight in newton’s of a car whose mass is 1400 kg. Convert the mass of the car to slugs and then determine its weight in pounds.arrow_forwardDetermine the net force, in Newton's, that a 75kg person would experience in an aircraft whose acceleration is 3 g's.arrow_forwardDetermine the weight in newtons of a car which has a mass of 1722 kg. Convert the given mass of the car to slugs and calculate the corresponding weight in pounds. Answers: Weight = i Mass = slugs Weight = Ibarrow_forward
- Determine the weight in newtons of a car which has a mass of 1481 kg. Convert the given mass of the car to slugs and calculate the corresponding weight in pounds. Answers: Weight= Mass= i i Weight= i N slugs lbarrow_forwardAn open tank, with bottom dimensions of 6 x 8 meters, is 6 meters high. It has oil with specific gravity of 0.884 filling the tank up to the top. It is then accelerated downwards at 5.55 meter per second squared. Determine the resulting force (in kN) at the bottom of the tank during acceleration. to two decimal places.arrow_forwardA woman stands on a scale while riding in an elevator. When the elevator is at rest, the scale reads 75 kg. What will be the reading of the scale in kg when the elevator accelerates (a) upward at 1.2 m/sec,(b) downward at at 1.2 m/sec (c) At what acceleration of the elevator would the person appear to be weightless? (=arrow_forward
- Five objects have the following masses: m1 is 600 gm; m2 is 800 gf, m3 is 3 poundals; m4is 34 lbm and m5 is 3 slugs. The local gravitational constant is 9.806 m/s2. What is the total mass expressed in (a) lbm; (b) slugs; (c) gm?arrow_forwardThe reactive force developed by a Jet engine to push an airplane forward is called thrust, and the thrust developed by the engine of a Boeing 777 is about 85000 lbf. Express this thrust in N and kgf. The thrust In N Is The thrust in kgf is 105 N * 104 kgf.arrow_forwardDetermine the weight in newton's of a woman whose weight in pounds is 130. Also, find her mass in slugs and in kilograms. Determine your own weight IN Newton s., from the following answers which of them are correct:arrow_forward
- Find the weight on Earth of a body whose mass is (a) 3 kg, (b) 200 g, (c) 50 slug.arrow_forwardDetermine the weight in newtons of a car which has a mass of 1490 kg. Convert the given mass of the car to slugs and calculate the corresponding weight in pounds. Answers: Weight= i Mass= Weight = i i N slugsarrow_forwardFive objects in a region where the acceleration due to gravity is 30.2 ft/s2 are as follows: x1 = 400 g of mass; x2 weighs 850gf; x3 weighs 35 poundals; x4 weighs 3lbf; x5 is 0.50 slug of mass. What is the total mass expressed in lbm.arrow_forward
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