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4-1.Newton's Laws of Motion
normal
Both the blocks shown here are of mass $m$ and are moving with constant velocity in direction shown in a resistive medium which exerts equal constant force on both blocks in direction opposite to the velocity. The tension in the string connecting both of them will be (Neglect friction)
A
$mg$
B
$mg / 2$
C
$mg / 3$
D
$mg / 4$
Solution
at Block B $T + F = mg$
at Block A $T = F$
$T =\frac{ Mg }{2}$
at Block $B$
$T + F = mg$
at Block $A$
$T = F$
$T =\frac{ Mg }{2}$
Standard 11
Physics
