science

posted by .

john has a bike when john gets on the bike, the force on each tyre increases.

what happens to the area of tyre in contact with the road?

  • science -

    also one of the tyres has a slow puncture and the air pressure in the tyre falls.

    what happens to the area of tyre in contact with the road?

  • science -

    answer please

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    there are 3 parts to my question. i need help on the last part. 1.a. A child rides a bike in a circular path with a radius of 2.0 m. The tangential speed of the bike is 2.0 m/s. The combined mass of the bike and the child is 43 kg. …
  2. Chemistry

    A car tyre has a volume of 10 L when inflated. The tyre is inflated to a pressure of 3 atm at 17°C with air. Due to driving, the temperature of the tyre increases to 47°C. a) what would be the pressure at this temperature?
  3. Physics

    A tyre is running around a circle with a radius of 5 m and 12 m/s2 of centripetal acceleration. Determine the speed of the tyre
  4. science

    A 1,200kg car has its tyres inflated to a gauge pressure of 180kPa.How large an area for each tyre is in contact with the ground?
  5. Physics

    Suppose that when you ride on your 7.90-kg bike the weight of you and the bike is supported equally by the two tires. If the gauge pressure in the tires is 72.5 lb/in2 and the area of contact between each tire and the road is 7.13 …
  6. Science

    A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2
  7. Science

    A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10m|sm2
  8. math

    A tractor tyre has a radius of 7cm and it made 1600 complete revolutions on a journey.How many metres did the tyre travel?
  9. science

    the retarding acceleration of 7.35m/s^2 due to frictional force stops the car of mass 400 kg travelling in a road. the coefficient of friction between the tyre of the car and the road is force=ma =7.35*400 =2940N µsN=2970
  10. Science

    Nathalie pushes on the pedals of his bike with a 320N force. If the bike has a produced force of 640N, what is the mechanical gain of the bike?

More Similar Questions