MCQ
When a body moves with a constant speed along a circle
- ✓no work is done on it
- Bno acceleration is produced in it
- Cits velocity remains constant
- Dno force acts on it
✓
Answer
Correct option: A.
no work is done on it
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A body is released from the top of a tower of height $h$. It takes $t$ sec to reach the ground. Where will be the ball after time $t/2$ sec
→Two vectors $\overrightarrow A $and $\overrightarrow B $lie in a plane, another vector $\overrightarrow C $lies outside this plane, then the resultant of these three vectors i.e.,$\overrightarrow A + \overrightarrow B + \overrightarrow C $
→A narrow tube is bent in the form of a circle of radius $R,$ as shown in the figure. Two small holes $S$ and $D$ are made in the tube at the positions right angle to each other. A source placed at $S$ generated a wave of intensity $I_0$ which is equally divided into two parts : One part travels along the longer path, while the other travels along the shorter path. Both the part waves meet at the point $D$ where a detector is placed The maximum value of $\lambda$ to produce a maxima at $D$ is given by
→At what temperature the centigrade (Celsius) and Fahrenheit, readings are the same ........ $^o$
→$Assertion :$ When a bottle of cold carbonated drink is opened, a slight fog forms around the opening.
$Reason :$ Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
→$Reason :$ Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
A particle undergoes uniform circular motion. About which point on the plane of the circle, will the angular momentum of the particle remain conserved ?
A block of mass $4 \,kg$ is suspended through two light spring balances $A$ and $B$. Then $A$ and $B$ will read respectively
→The speed of a swimmer in still water is $20 \;\mathrm{m} / \mathrm{s}$. The speed of river water is $10\; \mathrm{m} / \mathrm{s}$ and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes w.r.t. north is given by ......$^o$ west
→A block of ice floats on a liquid of density $1.2$ in a beaker then level of liquid when ice completely melt
→One mole of a gas mixture is heated under constant pressure, and heat supplied $Q$ is plotted against temperature difference acquired. Find the approximate value of $\gamma $ for mixture
→