Question

A boy is riding a skateboard and performing few tricks. (fig 12)

a) Ollie, is a skater's technique for flying,

Which two forces he has overcome to perform Ollie?

b) Three children use the same skateboard.

i)20-30kg,

ii)30-40 kg

iii)40-50kg

Which child can move the skateboard using the smallest pushing force? Justify your choice.

c)Pressure flip is a type of skateboarding flip trick, why is it called a pressure flip?

d)Where should the pressure be applied?

(look at the picture carefully)

Answer 1

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Explanation:

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