Question

Two bodies of masses 5kg and 4 kg are attached to the ends of a string which passes over a frictionless pulley such that the two bodies hang vertically. Find the acceleration of the bodies and the tension in the string. (1.1m/s 2 , 44.4 N)

Answer 1

Answer--2

Explanation:

For 5kg block the equation is

mg−T=ma⇒5g−T=5a....(1)

For 4kg block the equation is

T=ma⇒T=4a....(2)

Solving (1) and (2)

a=

9

5g

=

9

49

=5.45ms

−2

Answer 2

Explanation:

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