1.

55. In the following figure, the object of mass m is heldat rest by a horizontal force as shown. The forceexerted by the string on the block isFixedstringobject(2) mg(3) F+ mgF +mg

Answer»

Let the force in the string be T so, according to the figure

Tx = F. ; and Ty = mg

and resultant of T = √Tx²+Ty² = √{F²+m²g²} =

option 4.



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