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Which arrow shows the normal contact force acting on the rectangular block (if any)?




This question is part of Physics Revision Quiz
Asked by Misschowj, Last updated: Mar 26, 2020

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2 Answers

lananh

Lananh

Answered Feb 08, 2020

A is not perpendicular to the block's surface, and neither it is to the surface's surface.

 

misschowj

Misschowj

Answered Aug 22, 2018

A

The normal contact force (NCF) is always perpendicular to the surface. A is the NCF actingon the block by the surface, while C is the NCF actingonthe surfaceby the block.
 

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