The motion of the centre of mass is the result of
- internal forces
- external forces
- attractive forces
- repulsive forces
The Correct Option is B
Solution and Explanation
Top JKCET Physics Questions
- A ball tied at the end of a perfect string tied tightly (assume fixed) to a wooden bar at the other end is rotating with constant angular velocity. Its tangential velocity will
- JKCET - 2024
- Physics
- Rotational motion
A particle is initially at the centre and going towards the left. Let $ T $ be the time period of the SHM it is undergoing. What will be its position and velocity at time $ 3T/4 $, if it starts from the centre at $ t = 0 $?
- JKCET - 2024
- Physics
- simple harmonic motion
- Statement: The amplitude of an oscillating pendulum decreases gradually with time. Reason: The frequency of the pendulum decreases with time.
- JKCET - 2024
- Physics
- simple harmonic motion
- Energy a system possesses because of the force exerted on its mass by a gravitational or electromagnetic field with respect to a reference surface.
- JKCET - 2024
- Physics
- work, energy and power
- You lift a heavy book from the floor of the room and keep it in the bookshelf having a height of 2m. This process takes 5 seconds. The work done by you will depend on
- JKCET - 2024
- Physics
- work, energy and power
Top JKCET Centre of mass Questions
Top JKCET Questions
- Which of the following is not an example of an ideal solution?
- JKCET - 2024
- Colligative Properties
- What is the value of the Van't Hoff factor (i) for solutes that dissociate in water?
- JKCET - 2024
- Colligative Properties
- Which of the following do not show geometrical isomerism? (Assume all ligands are unidentate)
- JKCET - 2024
- coordination compounds
- Lewis concept does explain the behaviour of
- JKCET - 2024
- Acids and Bases
- In the reaction, $ H_2(g) + Br_2(g) = 2HBr(g) $, what will happen if there is a change in pressure?
- JKCET - 2024
- Law Of Chemical Equilibrium And Equilibrium Constant
Concepts Used:
Center of Mass
The center of mass of a body or system of a particle is defined as a point where the whole of the mass of the body or all the masses of a set of particles appeared to be concentrated.
The formula for the Centre of Mass:
Center of Gravity
The imaginary point through which on an object or a system, the force of Gravity is acted upon is known as the Centre of Gravity of that system. Usually, it is assumed while doing mechanical problems that the gravitational field is uniform which means that the Centre of Gravity and the Centre of Mass is at the same position.