Magnitude of normal force from ceiling to man

  • #1
DOA_Kasumi22
7
0

Homework Statement


tall strongman of mass m = 93 kg stands upon a scale while at the same time pushing on the ceiling in a small room.If the scale reads 1062 N (about 239 lb), what is the magnitude of the normal force that the ceiling exerts on the strongman?



Homework Equations



N=m x g

The Attempt at a Solution



N= 93kg x 9.81= 912 N
 

Answers and Replies

  • #2
TSny
Homework Helper
Gold Member
13,846
4,020
N = mg is not correct. Try drawing a good free-body diagram for the man. You'll need to consider how many forces act on the man and what direction they point.
 

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