A particle moving with uniform speed in a circular path maintains:
 1 constant acceleration. 2 constant velocity but varying acceleration. 3 varying velocity and varying acceleration. 4 constant velocity.
Subtopic:  Circular Motion |
58%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

For a smoothly running analog clock, the ratio of number of rotations made in a day by the hour hand and second hand respectively, is:
1. $$24 :1$$
2. $$1:720$$
3. $$1:60$$
4. $$2:5$$
Subtopic:  Circular Motion |
62%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.

A particle is executing uniform circular motion with velocity $$\overrightarrow v$$ and acceleration $$\overrightarrow a.$$ Which of the following is true?
 1 $$\overrightarrow v$$ is a constant; $$\overrightarrow a$$ is not a constant. 2 $$\overrightarrow v$$ is not a constant;  $$\overrightarrow a$$ is not a constant. 3 $$\overrightarrow v$$ is a constant;   $$\overrightarrow a$$ is a constant. 4 $$\overrightarrow v$$ is not a constant;    $$\overrightarrow a$$ is a constant.
Subtopic:  Circular Motion |
56%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.

Two particles $$A$$ and $$B$$ are moving in a uniform circular motion in concentric circles of radii $$r_A$$ and $$r_B$$ with speeds $$v_A$$ and $$v_B$$ respectively. Their time periods of rotation are the same. The ratio of the angular speed of $$A$$ to that of $$B$$ will be:

 1 $$1: 1$$ 2 $$r_A: r_B$$ 3 $$v_A: v_B$$ 4 $$r_B: r_A$$
Subtopic:  Circular Motion |
79%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

In the given figure, $$a=15$$ m/s2 represents the total acceleration of a particle moving in the clockwise direction in a circle of radius $$R=2.5$$ m at a given instant of time. The speed of the particle is:

1. $$4.5$$ m/s
2. $$5.0$$ m/s
3. $$5.7$$ m/s
4. $$6.2$$ m/s

Subtopic:  Circular Motion |
61%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A particle moves so that its position vector is given by, $$\overrightarrow{r}=\cos \omega t ~\hat{x}+ \sin \omega t~ \hat{y},$$ where $$\omega$$ is a constant. Which of the following is true?
 1 velocity and acceleration both are parallel to $$\overrightarrow{r}.$$ 2 velocity is perpendicular to $$\overrightarrow{r}$$ and acceleration is directed towards to origin. 3 velocity is parallel to $$\overrightarrow{r}$$ and acceleration is directed away from the origin. 4 velocity and acceleration both are perpendicular to $$\overrightarrow{r}.$$
Subtopic:  Circular Motion |
78%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A particle of mass $$10$$ g moves along a circle of radius $$6.4$$ cm with a constant tangential acceleration. What is the magnitude of this acceleration, if the kinetic energy of the particle becomes equal to $$8 \times 10^{-4}$$ J by the end of the second revolution after the beginning of the motion?
 1 $$0.15$$ m/s2 2 $$0.18$$ m/s2 3 $$0.2$$ m/s2 4 ​​​​​​$$0.1$$ m/s2
Subtopic:  Circular Motion |
53%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The position vector of a particle $$\vec{R }$$ as a function of time $$t$$ is given by:
$$\vec{{R}}=4 \sin (2 \pi {t}) \hat{i}+4 \cos (2 \pi {t}) \hat{j},$$
where $$R$$ is in metres, $$t$$ is in seconds and $${\hat{i},\hat{j}}$$ denotes unit vectors along $${x}$$ and $${y}\text-$$directions, respectively. Which one of the following statements is wrong for the motion of the particle?
 1 Acceleration is along $$(\text{-}\vec R )$$. 2 Magnitude of the acceleration vector is $$\frac{v^2}{R}$$, where $$v$$ is the velocity of the particle. 3 Magnitude of the velocity of the particle is $$8$$ m/s. 4 Path of the particle is a circle of radius $$4$$ m.
Subtopic:  Circular Motion |
61%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A particle moves in a circle of radius $$5$$ cm with constant speed and time period $$0.2\pi$$ s. The acceleration of the particle is:

 1 $$25$$ m/s2 2 $$36$$ m/s2 3 $$5$$ m/s2 4 $$15$$ m/s2
Subtopic:  Circular Motion |
80%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A particle moves in the $$(x\text-y)$$ plane according to the rule $$x = a \sin (\omega t)$$ and $$y = a \cos (\omega t)$$. The particle follows:

 1 a circular path. 2 a parabolic path. 3 a straight line path inclined equally to x and y-axes. 4 an elliptical path.
Subtopic:  Circular Motion |
77%
From NCERT
AIPMT - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints