Physics-
General
Easy
Question
A sphere of mass M and radius R is attached by a light rod of length l to a point P. The sphere rolls without slipping on a circular track as shown. It is released from the horizontal position. the angular momentum of the system about P when the rod becomes vertical is :
- none of the above
The correct answer is: none of the above
Related Questions to study
physics-
A solid uniform disk of mass m rolls without slipping down a fixed inclined plane with an acceleration a. The frictional force on the disk due to surface of the plane is :
A solid uniform disk of mass m rolls without slipping down a fixed inclined plane with an acceleration a. The frictional force on the disk due to surface of the plane is :
physics-General
physics-
A uniform sphere of radius R is placed on a rough horizontal surface and given a linear velocity v0 angular velocity w0 as shown. The sphere comes to rest after moving some distance to the right. It follows that
A uniform sphere of radius R is placed on a rough horizontal surface and given a linear velocity v0 angular velocity w0 as shown. The sphere comes to rest after moving some distance to the right. It follows that
physics-General
physics-
A ring of mass m and radius R has three particles attached to the ring as shown in the figure. The centre of the ring has a speed v0. The kinetic energy of the system is: (Slipping is absent)
A ring of mass m and radius R has three particles attached to the ring as shown in the figure. The centre of the ring has a speed v0. The kinetic energy of the system is: (Slipping is absent)
physics-General
physics-
A time varying force F = 2t is applied on a spool rolling as shown in figure. The angular momentum of the spool at time t about bottommost point is:
A time varying force F = 2t is applied on a spool rolling as shown in figure. The angular momentum of the spool at time t about bottommost point is:
physics-General
physics-
A plank with a uniform sphere placed on it rests on a smooth horizontal plane. Plank is pulled to right by a constant force F. If sphere does not slip over the plank. Which of the following is incorrect?
A plank with a uniform sphere placed on it rests on a smooth horizontal plane. Plank is pulled to right by a constant force F. If sphere does not slip over the plank. Which of the following is incorrect?
physics-General
physics-
A plank of mass M is placed over smooth inclined plane and a sphere is also placed over the plank. Friction is sufficient between sphere and plank. If plank and sphere are released from rest, the frictional force on sphere is:
A plank of mass M is placed over smooth inclined plane and a sphere is also placed over the plank. Friction is sufficient between sphere and plank. If plank and sphere are released from rest, the frictional force on sphere is:
physics-General
physics-
Portion AB of the wedge shown in figure is rough and BC is smooth. A solid cylinder rolls without slipping from A to B. The ratio of translational kinetic energy to rotational kinetic energy, when the cylinder reaches point C is :
Portion AB of the wedge shown in figure is rough and BC is smooth. A solid cylinder rolls without slipping from A to B. The ratio of translational kinetic energy to rotational kinetic energy, when the cylinder reaches point C is :
physics-General
physics-
Inner and outer radii of a spool are r and R respectively. A thread is wound over its inner surface and placed over a rough horizontal surface. Thread is pulled by a force F as shown in fig. then in case of pure rolling
Inner and outer radii of a spool are r and R respectively. A thread is wound over its inner surface and placed over a rough horizontal surface. Thread is pulled by a force F as shown in fig. then in case of pure rolling
physics-General
physics-
Two identical circular loops are moving with same kinetic energy one rolls & other slides. The ratio of their speed is :
Two identical circular loops are moving with same kinetic energy one rolls & other slides. The ratio of their speed is :
physics-General
physics-
A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and acceleration vectors of point P is
A disc of radius R is rolling purely on a flat horizontal surface, with a constant angular velocity. The angle between the velocity and acceleration vectors of point P is
physics-General
physics-
A thin rod of length L is placed at angle 
to vertical on a frictionless horizontal floor and released. If the center of mass has acceleration = A, and the rod an angular acceleration = 
at initial moment, then
A thin rod of length L is placed at angle to vertical on a frictionless horizontal floor and released. If the center of mass has acceleration = A, and the rod an angular acceleration = at initial moment, then
physics-General
maths-
If 
is a real-valued differentiable function satisfying 
and f(0)=0, then f(1) equals
If is a real-valued differentiable function satisfying and f(0)=0, then f(1) equals
maths-General
maths-
If f(x) = 
then:
If f(x) = then:
maths-General
maths-
where represents the integral part function, then:
where represents the integral part function, then:
maths-General
maths-
Which of the following function(s) has/have removable discontinuity at
Which of the following function(s) has/have removable discontinuity at
maths-General
