Does force of gravity act on dust particles?

Yes, the force of gravity does act on dust particles. Here's a step-by-step explanation:

1. Gravity is a force that acts between any two masses, no matter how large or small they are. This is a fundamental principle of physics, as described by Newton's law of universal gravitation.

2. Dust particles, although very small, do have mass. Therefore, they are subject to the force of gravity.

3. The force of gravity pulls dust particles towards the center of the Earth (or any other massive object). This is why dust settles on surfaces rather than floating indefinitely in the air.

4. However, other forces can also act on dust particles, such as air resistance or electrostatic forces. These can sometimes counteract the force of gravity, causing dust particles to behave in ways that might seem counterintuitive.

5. But in the absence of other forces, or when these forces are not strong enough to counteract gravity, dust particles will fall to the ground due to the force of gravity.