Question

Two bodies 300 kg & 400 kg are
hung from the ends of a rope
passing over a frictionless pulley. If
masses of both bodies are doubled
then the velocity of the string will
OGG
A.
become double
B.
become half
C.
remain same
D.
all of the above​

Answer 1

Answer:

Referring figure,

0.04g−T=0.04a

and

T−0.03g=0.03a

∴0.04g−(0.03a+0.03g)=0.04a

a=1.4

T=0.03×1.4+0.03×9.8

=0.336N