Torque Due to Weight Video Lessons

Concept

Problem: The uniform rod in Figure 15 has a weight of 14.0 N. What is the magnitude of the normal force exerted on the rod by the surface?A. 7NB. 14 NC. 20 ND. 28N

FREE Expert Solution

We'll solve this problem using the sum of forces for a system in equilibrium.

For a system in equilibrium:

$\overline{){\mathbf{\Sigma }}{{\mathbf{F}}}_{\mathbf{u}\mathbf{p}}{\mathbf{=}}{\mathbf{\Sigma }}{{\mathbf{F}}}_{\mathbf{d}\mathbf{o}\mathbf{w}\mathbf{n}}}$

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Problem Details

The uniform rod in Figure 15 has a weight of 14.0 N. What is the magnitude of the normal force exerted on the rod by the surface?
A. 7N
B. 14 N
C. 20 N
D. 28N

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