2024

Question 1

Centripetal acceleration

Answer 1

The acceleration of the object moves in a circular motion. It is directed towards the centre of the circle.

Question 2

SHM

Answer 2

Occurs when an object moves such that its acceleration is directed toward a fixed point and is proportional to its distance from the fixed point.

Question 3

3 assumptions

Answer 3

1. Intermolecular forces are negligible during collision
2. Between collisions a molecule moves with uniform velocity.
3. Volume of the molecules themselves can be neglected compared with the volume occupied by the gas.