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Q.

Two blocks of masses m1 and m2  are placed in contact on a horizontal frictionless surface as shown in figure.  A force F is applied to mass m1 as shown. 

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a

The acceleration of mass m2isF/m2

b

The force exerted on mass m2ism2Fm1+m2

c

The force exerted on mass  m2isF

d

The acceleration of mass  m1isFm1+m2

answer is B, D.

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Detailed Solution

The acceleration of both the masses is the same and is given by

 a =net forcetotal mass=Fm1+m2

Force on mass m2= m2a

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