Can the Normal Force Produce a Torque on an Object on an Incline?

  • Thread starter rashida564
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  • #1
rashida564
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Hi everyone I can't understand how normal force produce torque isn't normal force acts normally on the plane so the perpendicular distance in case if it was like block will be zero, so normal force doesn't produce torque. "case of box"
 

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  • #3
dsaun777
254
29
Summary:: Normal force producing torque on inclines.

Hi everyone I can't understand how normal force produce torque isn't normal force acts normally on the plane so the perpendicular distance in case if it was like block will be zero, so normal force doesn't produce torque. "case of box"
Are you referring to internal stress?
 
  • #4
rashida564
220
6
Is all normal force haze zero torque
 

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  • #5
dsaun777
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Is all normal force haze zero torque
Depends on the friction I think
 
  • #6
22,330
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Is all normal force haze zero torque
Here's a geometry question for you: If you have a line tangent to a circle, the normal to the line at the point of tangency passes through the center of the circle. True of False.
 
  • #7
rashida564
220
6
Yes
 
  • #8
rashida564
220
6
But why square shapes get torque from normal forces
 
  • #10
rashida564
220
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Square
 

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  • #12
rashida564
220
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How square in friction surface have net torque of zero
 
  • #13
dsaun777
254
29
How square in friction surface have net torque of zero
Internal "torques" exist in the form of stress.
 
  • #14
rashida564
220
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But internal torques comes in pair so they cancel each other
 
  • #15
22,330
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As @dsaun777 indicates, if friction is present, the normal force is not distributed uniformly over the base of the square, and the normal stress is greater near the downward edge than near the upper edge on the base.
 

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