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Two masses m1 and m2 are placed touching each other on an inclined plane forming an angle with the horizontal the coefficient of friction between the inclined plane and m1 is 1 and that of between plane and m2 is 2 where 1 > 2. (a) Find the interaction force between the two masses.(please explain the meaning of interaction force) (b) What is the minimum angle at which masses start sliding


Two masses m1 and m2 are placed touching each other on an inclined plane forming an angle  with the horizontal the coefficient of friction between the inclined plane and m1 is  1 and that of between plane and m2 is  2 where  1 >  2.


(a) Find the interaction force between the two masses.(please explain the meaning of interaction force)


(b) What is the minimum angle  at which masses start sliding

Grade:11

1 Answers

Saurabh Kumar
askIITians Faculty 2400 Points
9 years ago
Interaction force is about the Normal force acted between two blocks..
1. First, you calculate the net reacting force along inclined axis,i.e. (mg sin@-fr) for both the blocks.
2. Draw the FBD and write the equations.
3. The action of force is about the limiting action of force.

So, you draw the FBD and go through the equations

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