Chapter 9 – Rotation
A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be
30
Oct
A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be A thin wire of length l and mass m is bent in the form of a semicircle as shown in [...]
A circular disc X of radius R is made from an iron plate of thickness t, and another plate Y of radius 4R is made from an iron plate of thickness t/4. The ratio between moment of inertia IY/IX is
30
Oct
A circular disc X of radius R is made from an iron plate of thickness t, and another plate Y of radius 4R is made from an iron plate of thickness t/4. The ratio between moment of inertia IY/IX is A circular disc X of radius R is made from an iron plate of thickness [...]
The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is
30
Oct
The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is October 30, 2020 Category: Chapter 9 - Rotation , MTG NEET Physics , [...]
Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system about an axis through A and parallel to BD is :
30
Oct
Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system about an axis through A and parallel to BD is : are placed at the corners of a square ABCD of side l. The moment of inertia of this [...]
A rigid rod of length 2L is acted upon by some forces. All forces labelled F have the same magnitude. Which cases have a non-zero net torque acting on the rod about its centre ?
30
Oct
A rigid rod of length 2L is acted upon by some forces. All forces labelled F have the same magnitude. Which cases have a non-zero net torque acting on the rod about its centre ? A rigid rod of length 2L is acted upon by some forces. All forces labelled F have the same magnitude. [...]
A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5g are put one on of the other at the 12cm mark, the stick is found to balanced at 45cm. The mass of the metre stick is ?
30
Oct
A metre stick is balanced on a knife edge at its centre. When two coins, each of mass 5g are put one on of the other at the 12cm mark, the stick is found to balanced at 45cm. The mass of the metre stick is ? A metre stick is balanced on a knife edge [...]
A uniform horizontal metre scale of mass m is suspended by two vertical strings attached to its two ends. A body of mass 2m is placed on the 75 cm mark. The tensions in the two strings are in the ratio is
30
Oct
A uniform horizontal metre scale of mass m is suspended by two vertical strings attached to its two ends. A body of mass 2m is placed on the 75 cm mark. The tensions in the two strings are in the ratio is 1) is: A force of -F k acts on O the origin of [...]
Four equal and Parallel forces are acting on a rod of length 100 cm, as shown in figure, at distances of 20 cm, 40cm, 60 cm & 80 cm respectively from one end of the rod. Under the influence of these forces, the rod (neglecting its weight)
30
Oct
Four equal and Parallel forces are acting on a rod of length 100 cm, as shown in figure, at distances of 20 cm, 40cm, 60 cm & 80 cm respectively from one end of the rod. Under the influence of these forces, the rod (neglecting its weight) 40cm 60 cm & 80 cm respectively from [...]
The force F is parallel to x-axis. The particle P (as shown in the figure) is at a distance 3 m and the line joining P with the origin makes angle 30^° with the x-axis. The magnitude of torque on P with respect to origin O (in N-m) is
30
Oct
The force F is parallel to x-axis. The particle P (as shown in the figure) is at a distance 3 m and the line joining P with the origin makes angle 30^° with the x-axis. The magnitude of torque on P with respect to origin O (in N-m) is 1) is: A force of -F [...]
A force of -F k acts on O, the origin of the coordinate system. The torque about the point (1, -1) is
29
Oct
A force of -F k acts on O, the origin of the coordinate system. The torque about the point (1, -1) is 1) is: A force of -F k acts on O the origin of the coordinate system. The torque about the point (1 October 29, 2020 Category: Chapter 9 - Rotation , MTG NEET [...]