Forces
What force pulls objects towards the Earth?
Gravity
You are riding a skateboard, and you suddenly hit a rock that stops the board. Why do you fall forward? Which of Newton’s Laws explains this?
Answer: Newton’s First Law (Law of Inertia).
What was the name of the first spacecraft to land on the Moon in 1969?
Apollo 11
Which of Jupiter’s moons has an icy surface and is the sixth-largest moon in the solar system?
Europa
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What force opposes the motion of an object sliding on a surface?
Friction
Why is it harder to push a full shopping cart than an empty one? Give the law and the equation.
Answer: Newton’s Second Law (Force = Mass × Acceleration).
How many years would it take Voyager 1 to exit the Oort Cloud?
Answer: Roughly 14,000 to 28,000 years
Which planet in our solar system has the fastest orbit around the Sun?
Mercury
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What is the force that causes objects to move in a circular path, like the force that keeps planets in orbit?
Centripetal force
Why do you feel pushed back into your seat when a car suddenly speeds up?
Answer: This happens because of Newton’s First Law (Inertia).
Which spacecraft was the first to reach interstellar space?
Voyager 1
Which planet in our solar system do not have a magnetic field?
(Note: There are 2 answers but only 1 answer is required)
Mars/Venus
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Which force is described by Newton's third law, stating that for every action, there is an equal and opposite reaction?
Action and reaction forces
If you let go of an untied balloon full of air, it flies around the room in random directions. Which of Newton’s Laws explains this?
Answer: Newton’s Third Law (Action and Reaction).
What was the first spacecraft to successfully land on another planet and transmit data back to Earth?
a) Viking 1
b) Luna 9
c) Venera 7
d) Mariner 4
c / Venera 7
What is the name of the largest moon of Saturn?
Titan
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What is the force called that resists the relative motion between two surfaces in contact, but occurs specifically when one surface is deforming or "bending" and springs back under pressure?
Elastic force
If you jump off a small boat into the water, why does the boat move backward when you push off from it, even though you're only pushing against the boat?
Answer: This happens because of Newton’s Third Law (Action and Reaction)
Which space agency operates the International Space Station (ISS) along with NASA?
a) ESA (European Space Agency)
b) Roscosmos (Russia)
c) CNSA (China)
d) ISRO (India)
Answer: B / Russia/ Roscosmos
Which planet has the shortest day in the solar system?
Jupiter
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