Question

A boy is riding a skateboard and performing few tricks. (fig 14) 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

Answer:

don't know

sorry

the answer I can't tell

Answer 2

Answer:

A Three forces are acting on the rider and his board. Weight and gravity pull the board and rider down. The ground pushes them up. These forces cancel each other out, so nothing speeds up the skateboard or stops it from rolling.

Explanation:

I GUESS I ONLY KNOW THE ANS TO THE FIRST ONE HOOE ITS RIGHT!!