The icy objects that mostly travel in long,elliptical orbits around the sun are known as COMETS.
A comet is a miniscule solar system body that is made up mostly of ices mixed with smaller amounts of dust and rocks. The main body of the comet is called and the nucleus which primarily contains water, methane, nitrogen and other ices.
Answer: A-they change the direction of the forces
Explanation:
Any device which makes our work simpler is known as a machine. A machine may increase the amount of output force which is determined by its mechanical advantage or a machine changes the direction of the force.
In the given situation the input force acts in the downward direction to pull the rope. The output force acts on the flag being pulled upwards at the other end. Thus, the direction of the forces varies. Correct option is A.
Answer:
9. The Sun's Gravity
10. The core is the densest layer
