Tiwari Academy Discussion

ravi90

Asked: January 6, 2025In: Class-11-Physics

Define moment of inertia of a body. Give its units and dimensions. Explain the physical significance of moments of inertia.

Inertia is an object’s resistance to changes in its state of motion or rest, depending on its mass or moment. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

kokila

Asked: January 6, 2025In: Class-11-Physics

Express angular momentum in terms of the rectangular components of linear momentum and position vectors.

Linear momentum is the product of an object’s mass and its velocity, representing the quantity of motion it possesses. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

kokila

Asked: January 6, 2025In: Class-11-Physics

Show that the angular momentum of a particle is the product of its linear momentum and the moment arm. Also show that the angular momentum is produced only by the angular component of linear momentum.

Vectors are quantities that have both magnitude and direction, used to represent physical phenomena such as displacement, velocity, and force. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

kokila

Asked: January 6, 2025In: Class-11-Physics

Explain how angular momentum can be expressed as the vector product of two vectors. How is its direction determined?

Vectors are quantities that have both magnitude and direction, used to represent physical phenomena such as displacement, velocity, and force. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

kokila

Asked: January 6, 2025In: Class-11-Physics

Express angular momentum in terms of the rectangular components of linear momentum and position vectors.

Linear momentum is the product of an object’s mass and its velocity, representing the quantity of motion it possesses. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

ashwin99

Asked: January 6, 2025In: Class-11-Physics

Define the term angular momentum. Give its units and dimensions.

Momentum is a physical quantity that represents the motion of an object, calculated as the product of its mass and velocity. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

Rishabh39

Asked: January 6, 2025In: Class-11-Physics

Write an expression for torque in three-dimensional motion. Hence write the expressions for the rectangular components of torque.

Three-dimensional motion involves movement in three spatial dimensions, characterized by changes in position along the x, y, and z axes simultaneously. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

Rishabh39

Asked: January 6, 2025In: Class-11-Physics

Show that the magnitude of torque = magnitude of force x moment arm. Also show that only the angular component of the force is responsible for producing torque.

Magnitude refers to the size or amount of a quantity, regardless of its direction, often used to describe scalar and vector quantities. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

Rishabh39

Asked: January 6, 2025In: Class-11-Physics

Explain how torque can be expressed as a vector product of two vectors. How is the direction of torque determined?

Vectors are quantities that have both magnitude and direction, used to represent physical quantities like velocity, force, and displacement. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

Rishabh39

Asked: January 6, 2025In: Class-11-Physics

Obtain an expression for the work done by a torque. Hence write the expression for power.

Torque is the rotational force that causes an object to rotate around an axis, influenced by force and distance from pivot. Class 11 Physics Systems of Particle & Rotational Motion CBSE EXAM 2024-25

Define moment of inertia of a body. Give its units and dimensions. Explain the physical significance of moments of inertia.

Express angular momentum in terms of the rectangular components of linear momentum and position vectors.

Show that the angular momentum of a particle is the product of its linear momentum and the moment arm. Also show that the angular momentum is produced only by the angular component of linear momentum.

Explain how angular momentum can be expressed as the vector product of two vectors. How is its direction determined?

Express angular momentum in terms of the rectangular components of linear momentum and position vectors.

Define the term angular momentum. Give its units and dimensions.

Write an expression for torque in three-dimensional motion. Hence write the expressions for the rectangular components of torque.

Show that the magnitude of torque = magnitude of force x moment arm. Also show that only the angular component of the force is responsible for producing torque.

Explain how torque can be expressed as a vector product of two vectors. How is the direction of torque determined?

Obtain an expression for the work done by a torque. Hence write the expression for power.

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