Answered: The 54-kg homogeneous smooth sphere…

The 54-kg homogeneous smooth sphere rests on the 20° incline A and bears against the smooth vertical wall B. Calculate the contact force at A and B. Assume 0 = 20°. Answers: Ꮎ FA= 9 FB- i A B N N

University Physics Volume 1

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ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter11: Angular Momentum

Section: Chapter Questions

Problem 24P: Repeat the preceding problem replacing the marble with a solid cylinder. Explain the new result.

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Concept explainers

Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).

Question

The 54-kg homogeneous smooth sphere rests on the 20° incline A and bears against the smooth vertical wall B. Calculate the contact
force at A and B.
Assume = 20°
8
1 A
Answers:
FA =
i
3
FB =
i
B
N
N

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