Question

To study the third law of motion, following sets of apparatus are available in a laboratory.


set (i) One spring balance, two weight boxes, inextensible thread, one pulley with a clamp, two pans of known mass.

set (ii) Two identical spring balances, one weight box, inextensible thread, one frictionless pulley with a clamp, one pan of known mass, a rigid support.

set (iii) Four identical spring balances, two pulleys, inextensible thread, two clamps, two pans of known masses, two rigid support.

set (iv) Two identical spring balances, two weight boxes, two rigid supports, two pans of known masses, inextensible thread, two frictionless pulleys with clamps.


To perform the experiment successfully by using minimum apparatus, the best choice would be:

Answer 1

Answer:

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Answer 2

Answer:

Set 2

Explanation:

To perform the experiment successfully by using minimum apparatus , the best  choice would be the set 2 .

In which we use two identical spring balances , one weight box , one frictionless pulley with a clamp , one pan of known mass , one inextensible thread and one rigid support .

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