If a man pushes a wall and is unable to displace it, he: - Vidyadip

MCQ

If a man pushes a wall and is unable to displace it, he:

A
performs negative work
B
does positive work but not maximum
✓
does not do any work
D
does maximum work

✓

Answer

Correct option: C.

does not do any work

C

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

Explore more

More "M.C.Q (1 Marks)" from PART - 1 CH - 5Work, Energy and Power→PART - 1 CH - 5Work, Energy and Power — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Surface tension is due to:

Two vessels having equal volume contain molecular hydrogen at one atmosphere and helium at two atmosphere pressure respectively. If both samples are at the same temperature the mean velocity of hydrogen molecule is:

Cofficient of performance of refigerator is

A pendulum bob has a speed of $3\, m/s$ at its lowest position. The pendulum is $0.5\, m$ long. The speed of the bob, when the length makes an angle of ${60^o}$ to the vertical, will be ..... $m/s$ (If $g = 10\,m/{s^2}$)

In a tug-of-war contest, two men pull on a horizontal rope from opposite sides. The winner will be the man who

The dimensions of $\frac{\alpha}{\beta}$ in the equation $F=\frac{\alpha-t^2}{\beta v^2}$, where $F$ is the force, $v$ is velocity and $t$ is time, is ..........

$STATEMENT-1$ For an observer looking out through the window of a fast moving train, the nearby objects appear to move in the opposite direction to the train, while the distant objects appear to be stationary. and

$STATEMENT-2$ If the observer and the object are moving at velocities $\vec{V}_1$ and $\vec{V}_2$ respectively with reference to a laboratory frame, the velocity of the object with respect to the observer is $\overrightarrow{\mathrm{V}}_2-\overrightarrow{\mathrm{V}}_1$.

If $L$ denotes the inductance of an inductor through which a current $i$ is flowing, the dimensions of $L{I^2}$ are

It is possible to recognise a person by hearing his voice even if he is hidden behind a wall. This is due to the fact that his voice

$A$ uniform rod of length $l$, hinged at the lower end is free to rotate in the vertical plane . If the rod is held vertically in the beginning and then released, the angular acceleration of the rod when it makes an angle of $45^o$ with the horizontal ($I = ml^2/3$)