Question

If m1=10kg,m2=4kg,m3=2kg and surface is smooth the acceleration of system is

Answer 1

Answer:

5g/8 is ur answer

Given,

Force on block m

1

, F

1

=m

1

g=10gN

Force on block m

1

, F

2

=m

2

gsin30

o

=4g×0.5=2gN

Force on block m

3

, F

3

=m

3

g=2gN

F

net

=F

1

+F

2

−F

3

⇒(m

1

+m

2

+m

3

)a=10g+2g−2g

⇒a=

10+4+2

10g

=

8

5g

ms

−2

Acceleration of system

8

5g

ms

−2

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