A wooden block of mass 5 kg is dragging a metal
ball of mass 2.5 kg, as shown in the given figure.
The string is unstretchable and massless. If friction
is ignored, then what is the acceleration with which
the ball moves forward?
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Answer:
Explanation:
T − m1gsin30 = m1a
m2g − T = m2a
⇒ a =
(m2 − m1sin30)g
m1 + m2
= 3.9 m/s
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