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A body is at rest under the action of three forces two of which are F1=4i and F2=6j then the third force

A body is at rest under the action of three forces two of which are F1=4i and F2=6j then the third force

Grade:12th pass

2 Answers

Mrigank
31 Points
6 years ago
It is very simple You just need a force whose components cancel out F1 and F2 completely. Therefore F3=-4i -6j
Jai Kumar Choudhary
13 Points
5 years ago
Because body is at rest the three forces cancel out each other. Therefore F1+F2+F3 =0             
   Now after putting values we get 
F3=-4i-6i

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