MCQ
Roads are banked on curves so that
  • The speeding vehicles may not fall outwards
  • B
    The frictional force between the road and vehicle may be decreased
  • C
    The wear and tear of tyres may be avoided
  • D
    The weight of the vehicle may be decreased

Answer

Correct option: A.
The speeding vehicles may not fall outwards
a
(a) By doing so component of weight of vehicle provides centripetal force.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

An electric bulb illuminates a plane surface. The intensity of illumination on the surface at a point $2m$ away from the bulb is $5 \times {10^{ - 4}}$ $phot$ ($lumen/cm^2$). The line joining the bulb to the point makes an angle of $60^{o}$ with the normal to the surface. The intensity of the bulb in candela is
Three bodies have equal masses $m$. Body $A$ is solid cylinder of radius $R$, body $B$ is a square lamina of side $R$, and body $C$ is a solid sphere of radius $R$. Which body has the smallest moment of inertia about an axis passing through their centre of mass and perpendicular to the plane (in case of lamina)
For a prism of apex angle $45^o$, it is found that the angle of emergence is $45^o$ for grazing incidence. Calculate the refractive index of the prism.
A solid sphere of radius $R$ is placed on smooth horizontal surface. A horizontal force $F$ is applied at height $h$ from the lowest point. For the maximum acceleration of centre of mass, which is correct?
The rate of steady volume flow of water through a capillary tube of length $ 'l' $ and radius $ 'r' $ under a pressure difference of $P$  is $V$. This tube is connected with another tube of the same length but half the radius in series. Then the rate of steady volume flow through them is (The pressure difference across the combination is $ P$)
A sphere, a cube and a thin circular plate, all made of the same mass and finish are heated to a temperature of $200^{\circ} C$. Which of these objects will cool slowest, when left in air at room temperature?
In the diagram shown, all the velocities are given with respect to earth. What is the relative velocity of the image in mirror $(1)$ with respect to the image in the mirror $(2)?$ The mirror $(1)$ forms an angle $\beta$ with the vertical.
A closely wound flat circular coil of $25$ $turns$ of wire has diameter of $10\, cm$ and carries a current of $4\, ampere$. Determine the flux density at the centre of a coil
Find out equivalent capacitance between $A$ and $B$.
Glycerine of density $1.25 \times 10^3\,kg\,m ^{-3}$ is flowing through the conical section of pipe. The area of cross-section of the pipe at its ends is $10\,cm ^2$ and $5\,cm ^2$ and pressure drop across its length is $3\,Nm ^{-2}$. The rate of flow of glycerine through the pipe is $x \times 10^{-5} m ^3 s ^{-1}$. The value of $x$ is $..............$.