#1
Which force keeps celestial bodies in orbit around a central mass?
#2
What is the SI unit of force?
#3
What force opposes the motion of an object through a fluid (liquid or gas)?
#4
What is the term for the force that opposes the relative motion or tendency of such motion of two surfaces in contact?
#5
Which law of motion states that for every action, there is an equal and opposite reaction?
#6
In celestial mechanics, what is the term for the point in an orbit closest to the central mass?
#7
Which law of motion states that an object at rest will remain at rest, and an object in motion will remain in motion unless acted upon by a net external force?
#8
Which celestial body is known for its Great Red Spot, a massive storm that has been raging for centuries?
#9
In the context of celestial mechanics, what is the name given to the imaginary line around which an object rotates?
#10
Which scientist is credited with the discovery of the three laws of motion and the law of universal gravitation?
#11
What is the escape velocity from Earth's surface?
#12
Who formulated the laws of planetary motion, describing the motion of planets around the Sun?
#13
Which concept explains the change in frequency or wavelength of a wave in relation to an observer moving relative to the source of the wave?
#14
What is the primary force responsible for the expansion of the universe?
#15