Home
Class 11
PHYSICS
I here is a parabolic shaped bridge acr...

I here is a parabolic shaped bridge across the river of width 10 meter.The highest point of the bridge is 4 meter above the level of bank.A car of mass 72kg is crossing the bridge at a constant speed of 5m/s . Find the force (in Newton) exerted on the bridge by car when it is at the highest point P of the bridge.`(take g=10m/s^(2))`

Answer

Step by step text solution for I here is a parabolic shaped bridge across the river of width 10 meter.The highest point of the bridge is 4 meter above the level of bank.A car of mass 72kg is crossing the bridge at a constant speed of 5m/s . Find the force (in Newton) exerted on the bridge by car when it is at the highest point P of the bridge.(take g=10m/s^(2)) by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.

Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

A car of mass m moving over a convex bridge of radius r .Find the normal reaction acting on car when it is at bighest point the bridge.

A car of mass m moving over a concave bridge of radius r .Find the normal reaction acting on car when it is at lowest point the bridge

Knowledge Check

  • A bike of mass 200 kg (with rider) is running on the road with constant speed 5 m//s , the reaction exerted on the bike by the road at the lowest point will be ( g= 10 m//s^(2) )

    A
    200 N
    B
    2050 N
    C
    1950 N
    D
    None of these

  • An automobile of mass m is crossing over a convex upward over bridge with a speed v . If the radius of the bridge is r the thrusrt on the bridge at the highest point will be.

    A
    `mg+(mv^(2))/(r)`
    B
    `mg-(mv^(2))/(r)`
    C
    `mg`
    D
    `(mv^(2))/(r)`

  • In the above problem, the force exerted by the pilot on the seat at the lowest point of the circle will be [Take g=10 m//s^2 ]

    A
    4500 N
    B
    6300 N
    C
    7700 N
    D
    770 N

    • Similar Questions

    Explore conceptually related problems

    The bridge connects two hills 100 feet apart. The arch on the bridge is in a parabolic form. The highest point on the bridge is 10 feet above the road at the middle of the bridge as seen in the figure. Based on the information given above, answer the following questions: The equation of the parabola designed on the bridge can be

    A car of mass =m=1000 kg is moving with constant speed v=100 m//s on a parabolic shaped bridge AFOE of span force applied by the bridge on the car when he car is at point E, is:

    A pilot of mass 81 kg loops the loop with steady speed of 300 km//h . If the radius is 0.5 km then the force with which the pilot is pressed into the seat at the highest point of the loop ,is (g=10m//s^(2))

    A car of mass 840 kg moves on a circular path with constant speed of 10 m//s . It is turned through 90^@ after travelling 660 m on the road. The centripetal force acting on the car is

    A motor car with a mass m moving with uniform speed v on a (A) horizontal level bridge (B) convex bridge (C) concave bridge The force exerted by the motor car when it is at centre of the bridge is

    Home
    Profile