science
Grade-11
Easy

Question

 A 50 kg crate is placed on a slope that makes an angle of 30◦ with the
horizontal. The box does not slide down the slope. Calculate the magnitude and
The direction of the frictional force

  1. 245N up the slope
  2. 444 N downward 
  3. 978 N
  4. None

The correct answer is: 245N up the slope

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