In which case the normal force will be greater? Consider two - ProProfs Discuss
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In which case the normal force will be greater? Consider two identical blocks, one resting on a flat surface, and the other resting on an incline.



A. Block on flat surface
B. Block on incline
C. Both the same (N = mg)
D. Both the same (N < mg)
E. Both the same (N = 0)

This question is part of Unit 3 Concepts Quiz
Asked by Jkeslin, Last updated: Jul 28, 2020

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jkeslin

Jkeslin

Answered Sep 16, 2017

Block on flat surface

For the flat surface, we know that N = W. For the incline, due to the angle of the incline, N < W. In fact, we can see that N = W cos(). Since Cos() can only be between 0 and 1 we know N must be less than W.
 

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