Directions : These questions consists of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses
Assertion : In the system of two blocks of equal masses as shown, the coefficient of
friction between the blocks ( $μ_{2}$ ) is less than coefficient of friction $μ_{1}$ ) between lower block and ground.

For all values of force F applied on upper block, lower block remains at rest.
Reason : Frictional force on lower block due to upper block is not sufficient to overcome the frictional force on lower block due to ground.

Question

Directions : These questions consists of two statements each printed as Assertion and Reason. While answering these questions you are required to choose any one of the following four responses

Assertion : In the system of two blocks of equal masses as shown, the coefficient of
friction between the blocks ( $μ_{2}$ ) is less than coefficient of friction $μ_{1}$ ) between lower block and ground.

For all values of force F applied on upper block, lower block remains at rest.
Reason : Frictional force on lower block due to upper block is not sufficient to overcome the frictional force on lower block due to ground.

Infinity Learn · Accepted Answer

$$f2max=$$μ$$2mgf1max=$$μ$$1(2m)gSince$$,    $$f1max$$>$$f2maxLower$$ block will not move at all.

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