The centre of mass plays a very important role in the field of rotational motion. The centre of mass of a body decides much about the way the body is going to behave when put into rotational motion. The centre of mass also makes it easier to solve the mechanical problems that are related to […]
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Class 11, NEET, Physics, Rotational Motion, Torque, angular momentumAngular momentum is an attribute of a rotational system carrying inertia whose axis may or may not go via the system that is under observation. Our planet possesses an orbital angular momentum due to its annual motion around the Sun and a spin angular momentum due to rotation about its axis every 24 hours. Angular
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Class 11, NEET, Physics, Rotational Motion, Torque, angular momentumAn orthogonal unit vector is a unit vector that is orthogonal to the direction of the second and third vectors. Since the second and third vectors are mutually perpendicular, the unit vector is orthogonal to the vector. This unit vector is used for the measurement of the angle between two vectors. Orthogonal vector systems are
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Class 11, NEET, Physics, Rotational Motion, Torque, angular momentumThe parallel axis theorem is used to estimate the moment of inertia of a rigid body around an axis that is parallel to the object line’s mass (about which the moment of inertia is known). The perpendicular axis theorem notes that the moment of inertia of a rigid body along an axis that is at
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Class 11, Moment of inertia, radius of gyration, NEET, Physics, Rotational MotionA simple Harmonic motion is back and forth motion about a fixed axis or a straight line. It can be defined as a type of oscillatory motion or periodic motion. In SHM, the acceleration acting on the body varies directly with the displacement and is opposite to the direction of displacement. Therefore, the net force
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Class 11, Moment of inertia, radius of gyration, NEET, Physics, Rotational MotionTopple Usually, due to friction, a torque is applied on a body opposing the change of motion and usually due to the quick axis of rotation shifts, if the momentary axis of rotation falls outside the body that time the body topples and this is the condition of toppling. When a torque is applied to
The study of physics relies on the observation of various systems. In order to understand the effect of multiple forces and how they interact with each other, the knowledge of the centre of mass of a system is also imperative. The centre of mass of a system provides an easy correlation to how the body
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Class 11, Moment of inertia, radius of gyration, NEET, Physics, Rotational MotionIntroduction Consistent with the perpendicular axis theorem for an axis perpendicular to the plane, the moment of inertia is equal to the sum of the moments of inertia about two mutually perpendicular axes in its plane. Ia = Ib+Ic (Ia = moment of inertia about the given axis perpendicular to the plane of the
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Class 11, Moment of inertia, radius of gyration, NEET, Physics, Rotational MotionIntroduction: The moment of inertia plays an important role in rotational kinematics as in how mass plays an important role in linear kinetics. The common characteristic between them is they resist change. The moment of inertia solely depends on the axis on rotation and varies when this is changed. For a mass, the moment of
The tendency of a force to create rotation is called the moment of a force. The moment of a force is measured over the axis around which a body rotates. Daily activities like opening a door around a fixed hinge or closing a bottle of water involve the moment of a force. The moment of
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Class 11, Moment of inertia, radius of gyration, NEET, Physics, Rotational Motion