Question

b) Explain why i) nails have a flat top but pointed end
ii) tractors tyres are broad​

Answer 1

Answer:

1) Pointed ends occupy a very small area , as a result of which the pressure ( = force / area ) on the walls/ objects due to the applied force is more and pins / nails can easily pierce.They have a flat head for our convinience

2) The tractors have broad tyres so that there is less pressure on the ground and the tyres do not sink into comparatively soft ground in the field

Answer 2

1. Due to pointed end of the nail, If you apply little force at the back then great pressure will be applied at the end so, nails have....