Question

write the reason why?
1)Tyres have grooves?
2)Displacement is required for work considered to be done ?
3)A Screw gives more from Support than a nail does?
give very short answers for class third ​

Answer 1

1) Because The Grooves in the rubber are designed to allow water to be expelled from beneath the tire and prevent hydroplaning.

2) Because The work done by a constant force is proportional to the force applied times the displacement of the object.

3)Because screws have thread shafts that hold better in object.

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