Class 11Physics3-2.Motion in PlaneNon-uniform Circular Motion (Centrifugal/Centripetal and tangential Accelaration)
EasyIn a hypothetical ring-shaped satellite rotating in space, artificial gravity can be achieved using centripetal force. If the satellite has a radius of $10 \,m$, then to achieve a centripetal acceleration at a point on the circumference of $10 \,ms^{-2}$, its angular speed is:
- A$1 \,rad \,s^{-1}$
- B$10 \,rad \,s^{-1}$
- C$1 \,revolution \,s^{-1}$
- D$10 \,revolution \,s^{-1}$
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$A$ body of mass $2 \,kg$ moves in a horizontal circular path of radius $5 \,m$. At an instant, its speed is $2 \sqrt{5} \,m/s$ and is increasing at the rate of $3 \,m/s^2$. The magnitude of the net force acting on the body at that instant is: (in $\,N$)
$A$ particle is confined to rotate in a circular path with decreasing linear speed. Which of the following is correct?
$A$ particle moves along an arc of a circle of radius $R$. Its velocity depends on the distance covered as $v = a\sqrt{s}$,where $a$ is a constant. Then the angle $\alpha$ between the vector of the total acceleration and the vector of velocity as a function of $s$ will be:
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View SolutionThe net applied force on a body in uniform circular motion should always be
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View Solution$A$ particle is moving in a circle of radius $50 \ cm$ in such a way that at any instant the normal and tangential components of its acceleration are equal. If its speed at $t=0$ is $4 \ m/s$,the time taken to complete the first revolution will be $\frac{1}{\alpha}[1-e^{-2 \pi}] \ s$,where $\alpha=$ . . . . . . .
DifficultJEE MAIN 2024
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