MCQ
A solid cylinder and a solid sphere of same mass and radius roll without slipping on a rough inclined plane. The force of friction is ..........
  • A
    Same for both the bodies
  • More for cylinder
  • C
    More for sphere
  • D
    Double for sphere than for cylinder

Answer

Correct option: B.
More for cylinder
b
(b)

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

A sonometer wire oflength $1.5\ m$ is made of steel. The tension in it produces an elastic strain of $1 \%$. What is the fundamental frequency of steel if density and elasticity of steel are $7.7 \times 10^3 $ $kg/m^3$ and $2.2 \times 10^{11}$ $N/m^2$ respectively?
In the previous question, if the current is $i$ and the magnetic field at $D$ has magnitude $B$,
A bag (mass $M$) hangs by a long thread and a bullet (mass $m$) comes horizontally with velocity $v$ and gets caught in the bag. Then for the combined (bag $+$ bullet) system
A hole in a $P-$ type semiconductor is
An ideal gas is expanding such that $\mathrm{PT}^2=$ constant. The coefficient of volume expansion of the gas is
A conducting circular loop made of a thin wire, has area $3.5 \times 10^{-3}\, m^2$ and resistance $10\,\Omega $. It is placed perpendicular to a time dependent magnetic field $B(t) = (0.4\,T)\, sin\, (50\, \pi t)$. The field is uniform in space. Then the net charge flowing through the loop during $t = 0\, s$ and $t = 10\, ms$ is close to.......$mC$
A $100 \,\,\Omega$ resistance and a capacitor of $100 \,\,\Omega$ reactance are connected in series across a $220\,\ V$ source. When the capacitor is $50\%$ charged, the peak value of the displacement current is.....$A$
Unlike a laboratory sonometer, a stringed instrument is seldom plucked in the middle. Supposing a sitar string is plucked at about $\frac{1}{4}$th of its length from the end. The most prominent harmonic would be
Absolute temperature can be calculated by
Ten tuning forks are arranged in increasing order of frequency in such a way that any two consecutive tuning forks produce $4$ beats per second. The highest frequency is twice that of the lowest. Possible highest and lowest frequencies (in $Hz$ ) are ................