MCQ
A car accelerates on a horizontal road due to force exerted by
  • A
    The engine of the car
  • B
    The driver of the car
  • C
    The earth as weight of the car
  • The road

Answer

Correct option: D.
The road
d
(d)

Due to frictional force by the road.

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

Which of one is correct
A wooden block, initially at rest on the ground, is pushed by a force which increases linearly with time t. Which of the following curve best describes acceleration of the block with time:
Match the List$-I$ with List$-II$ 

List $I$ List $II$
$A$ Microwaves $I$ Radio active decay of the nucleus
$B$ Gamma rays $II$ Rapid acceleration and deceleration of electron in aerials
$C$ Radio waves $III$ Inner shell electrons
$D$ $X$-rays $IV$ Klystron valve

Choose the correct answer from the options given below

A point object is placed at a distance of $60\, \mathrm{~cm}$ from a convex lens of focal length $30 \,\mathrm{~cm}$. If a plane mirror were put perpendicular to the principal axis of the lens and at a distance of $40\, \mathrm{~cm}$ from it, the final image would be formed at a distance of :
Two sheets of thickness $d$ and $3d$, are touching each other. The temperature just outside the thinner sheet side is $A$, and on the side of the thicker sheet is $C$. The interface temperature is $B. A, B$ and $C$ are in arithmetic progressing, the ratio of thermal conductivity of thinner sheet and thicker sheet is
A weight can be hung in any of following four ways by using same string. In which case is  the string more likely to break is :-
The $v- t$ plot of a moving object is shown in the figure. The average velocity of the object during the first $10$ seconds is...........$m/s$
A light balloon filled with helium of density $\rho_{ He }$ is tied to a long light string of length $l$ and the string is attached to the ground. If the balloon is displaced slightly in the horizontal direction from the equilibrium and released. Then,
Match List $I$ with List $II$

List $I$ List $II$
$(A)$ Young's Modulus $(Y)$ $(I)$ $\left[ M L ^{-1} T ^{-1}\right]$
$(B)$ Co-efficient of Viscosity $(\eta)$ $(II)$ $\left[ M L ^2 T ^{-1}\right]$
$(C)$ Planck's Constant $(h)$ $(III)$ $\left[ M L ^{-1} T ^{-2}\right]$
$(D)$ Work Function $(\phi)$ $(IV)$ $\left[ M L ^2 T ^{-2}\right]$

Choose the correct answer from the options given below:

Biological importance of Ozone layer is