Block at rest on slope

  • Thread starter 1Deag4Days
  • Start date
  • #1

Homework Statement


A block is at rest on a rough incline .
The frictional force acting on the block, along the incline, is
A) greater than the weight of the block.
B) equal to the weight of the block.
C) zero.
D) less than the weight of the block.

Homework Equations




The Attempt at a Solution



The frictional force should be equal to the Weight along the slope so MG/sin(theta) so shouldn't the frictional force be greater than the weight of the block?
 

Answers and Replies

  • #2
Nathanael
Homework Helper
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The weight along the slope is greater than the total weight?

How do you get MG/sin(theta)? That would imply, as the angle theta goes to zero, the weight along the slope goes to infinity. Is that reasonable?
 
  • #3
I know i'm doing something wrong but i don't know what
 

Attachments

  • #4
Nvm I got it I was decomposing my gravitational force vector incorrectly
 

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