Problem 2: A 1.8-m long rod that weighs 45N is placed on a circular horizontal board having a radius of 1.2m. The ends of the rod bear against the smooth circular rim around the edge of the table. The assembly is rotated at 100 rpm about the center of the table. Solve for the reactions on the rim at the ends of the rod. 1.8m r= 1.2m

Problem 2: A 1.8-m long rod that weighs 45N is placed on a circular horizontal board having a radius of 1.2m. The ends of the rod bear against the smooth circular rim around the edge of the table. The assembly is rotated at 100 rpm about the center of the table. Solve for the reactions on the rim at the ends of the rod. 1.8m r= 1.2m

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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Concept explainers

Length and Length related Variables

Length can de defined as the measurement or extent of physical quantities or objects from one terminal to another terminal. Stone age humans used finger length, step length, and so on to measure the size or displacement of an object. Nowadays, depending on how precise the measurement requires to be and the object’s size is measured, we use measuring devices for measurements like rulers and steel tape. Most people have used a ruler or tape measure to measure a particular distance or the size of an object. For more precise measurements of tiny objects, the development of measurement tools such as the Vernier caliper, which permits us to measure dimensions within 1/1000 of an inch. In the last few decades, electronic distance measuring instruments (EDMI) have been implemented that permit us to measure distances from a few feet to many miles with reasonable accuracy.

Question

Subject: Engineering Mechanics (Dynamics)

Topic: Rotation

Answer: R = 301.824N

Problem 2:
A 1.8-m long rod that weighs 45N is placed on a circular horizontal board having
a radius of 1.2m. The ends of the rod bear against the smooth circular rim around the edge
of the table. The assembly is rotated at 100 rpm about the center of the table. Solve for
the reactions on the rim at the ends of the rod.
1.8m
r= 1.2m

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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