Laws Of Motion Question 154

Question: Two masses 2 kg and 3 kg are attached to the end of the string passed over a pulley fixed at the top. The tension and acceleration are

Options:

A) 7g8;g8

B) 21g8;g8

C) 21g8;g5

D) 12g5;g5

Show Answer

Answer:

Correct Answer: D

Solution:

T=2m1m2m1+m2g=2×2×32+3g=125g

a=(m2m1m1+m2) g=(323+2) g=g5



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