Question

if all matter where made of newtrons only then (a) there would be no force of friction (b) there would be no tension is string (c) there would be no normal reaction force(d) the earth could move around the sun ( find the correct answer)​

Answer 1

Explanation:

There would be no force of friction because the particles of the matter are charge less, i.e neutral . Thus no electromagnetic force is created. as result of this there will be no friction. Hence the option (a) is correct.