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Two blocks of 4kg and 2 kg are sliding down an inclined plane as shown in the figure. The acceleration of 2 kg block is?A) 1.66 m/sB)2.66 m/sC)3.66 m/sD)4.66 m/s

Two blocks of 4kg and 2 kg are sliding down an inclined plane as shown in the figure. The acceleration of 2 kg block is?A) 1.66 m/sB)2.66 m/sC)3.66 m/sD)4.66 m/s

Grade:11

1 Answers

Sparsh Daisy
13 Points
4 years ago
R=4gcosθR=4x10√3/2=20√3 ---------------(1)μ2R+4a-p-4gsin30°=00.3x40 cos 30°+4a-p-40sin20°=0-------------(2)R1=2gcos30°=10√3---------(3)p+2a+μ1R1-2gsin30°=0----------(4)From equation , (ii) 6√3+4a-p-20=0from equation iv, p+2a+2√3-10=0/6√3+6a=30+2√3=06a=30-8√3=30-13.85=16.15a=16.15/6=2.69=2.7m/s2b) In this case , 4kg block will travel with more acceleration because coefficient of friction is less than that of 2kg . so, they will move separately.From the free body diagram of 2kg mass, we can find out that a=2.4m/s2Read more on Brainly.in - https://brainly.in/question/4212912#readmore

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