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Grade: 11
        
if vector f and vector r be the force and displacement vectors, what is reprensented by :
      1)vector r . vector f
       2)vector r cross vector f
4 years ago

Answers : (1)

noogler
489 Points
							
dot product or r and f represents work  (W=FScos@, @is angle btw F and S......W=F.S=S.F)
cross product of r and f represents torque (T=SXF=SFsin@)
4 years ago
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