Answered: A carpenter holds a 10-lb 2-in. by…

A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board, determine the forces at A and B (use positive if the force is up and negative if down).

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter2: Vectors

Section: Chapter Questions

Problem 2.13CYU: Check Your Understanding Find the angle between forces F1and F3in Example 2.16.

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A carpenter holds a 10-lb 2-in. by 4-in. board as shown. If he exerts vertical forces on the board,
determine the forces at A and B (use positive if the force is up and negative if down).
B
A
3'
9'
Answers:
NA
%3D
i
-321.7
Ib
NB =
%3D
i
643.4
Ib

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