Question

A skateboarder lands on all four wheels after riding a railing. The skateboarder exerts 3525 kPa of pressure on the ground, and the area on the bottom of a single wheel is 0.0001 m2. Determine the mass of the skateboarder in kg. (1 kPa = 1000 Pa) assume Gravity g=10 N/kg weight (W)=mass (m) x gravity(g)

Answer 1

Answer:

Pressure = Force/Aarea of four wheel is

= 0.0001*4

=0.0004P

= 900/0.0004

= 2250000P

= 2.25*10^5 N/m^2  

Answer 2

Answer:

P=F/a

area of four wheel is = 0.0001*4 = 0.0004

P=900/0.0004

=2250,000

P=2.25*10^5

N/m^2

Explanation:

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