Velocity: Bottom Most Point
Trending Questions
Q. A disc of radius 5 cm rolls on a horizontal surface with linear velocity v=1^i m/s and angular velocity 50(−^k) rad/sec . Height of particle from ground on rim of disc which has velocity in vertical direction is (in cm) -
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1547981/original_AITS_Mains_11_12_Ft_B_8.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1547981/original_AITS_Mains_11_12_Ft_B_8.png)
Q. A car whose radius of tire is 30 cm is travelling at a speed of 54 km/h on a straight road. Find angular speed of tire(assume there is no slipping between tire & road).
- 20 rad/sec
- 180 rad/sec
- 50 rad/sec
- 10 rad/sec
Q. A car whose radius of tire is 30 cm is travelling at a speed of 54 km/h on a straight road. Find angular speed of tire(assume there is no slipping between tire & road).
- 20 rad/sec
- 180 rad/sec
- 50 rad/sec
- 10 rad/sec
Q. A gymnast on ice folds his arms while rotation. Which of the following statements is true?
- Speed of rotation increases as friction decreases
- Rotational kinetic energy decreases because moment of inertia decreases
- Rotational kinetic energy increases as angular momentum remains conserved
- None of the above
Q.
Consider a wheel purely rolling on a rough horizontal surface with constant velocity v. Radius of the wheel is R and C is the center of wheel. M is top-most point, P is bottom-most point and N is in level with C at any time. Match the columns for this instant of time.
(p-w, x); (q-x, y); (r-w, x); (s-w, x)
(p-w) (q-x, y) (r-w, y) (s-w, z)
(p-y, z) (q-y, z) (r-w, x) (s-y)
(p(w, x) (q-w, x) (r-w, x) (s-w, x)
Q. A force 10 N acts tangentially at the highest point of a solid sphere of mass 10 kg kept on a rough horizontal plane. If the sphere rolls without slipping, find the acceleration of the centre of the sphere (in m/s2).
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/942574/original_q8.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/942574/original_q8.png)
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