Concepts Of Physics MCQ Edition [Volume 1]PhysicsCentre of Mass, Linear momentum, Collision

During a collision, the quantities that remain constant are

Options

Amomentum and temperature, but not kinetic energy
Bmomentum and kinetic energy, but not temperature
Cmomentum, kinetic energy, and temperature
Dmomentum, but neither kinetic energy nor temperature

Correct answer

D. momentum, but neither kinetic energy nor temperature

Step-by-step solution

According to the law of conservation of momentum, the total momentum of an isolated system remains constant during any type of collision (elastic or inelastic), provided no external force acts on it. Kinetic energy is not conserved in inelastic collisions, as a portion of it is converted into other forms of energy such as heat, sound, or internal energy. Even in perfectly elastic collisions, kinetic energy is not constant during the actual time of impact because some of it is temporarily converted into elastic pote

Practice Centre of Mass, Linear momentum, Collision on Quantrex Academy →

More from Centre of Mass, Linear momentum, Collision

As illustrated in the figure, a water molecule has a specific structure. Determine the distance of the molecule's centre of mass from the centre of the oxygen atom.A uniform disc of radius R is placed upon another uniform disc of radius 2R having the same thickness and density. The edges of the two discs touch one another. Determine the locat A disc of radius R is cut out from a larger disc of radius 2R such that the edge of the hole touches the edge of the larger disc. Determine the location of the centre of mass of th Three particles with masses of 1.0 kg , 2.0 kg and 3.0 kg are situated at the corners A , B and C respectively of an equilateral triangle ABC having an edge of 1 m . Find the coord Seven homogeneous bricks, each having a length L , are arranged as depicted in the figure. Every brick is shifted by L/10 relative to the one in contact with it. Determine the x -c A circular disc of diameter d and a square plate of edge d are placed touching each other at the midpoint of an edge of the plate, as shown in the figure. Determine the centre of m Two blocks of masses 10 kg and 20 kg are located on the X -axis. The first mass is displaced along the axis by a distance of 2 cm . By what distance must the second mass be moved i Determine the velocity of the centre of mass for the system of particles depicted in the figure. Full Centre of Mass, Linear momentum, Collision list All Concepts Of Physics MCQ Edition [Volume 1] PYQs