Isaac Newton and the Force of Gravity
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Questions and Answers

What did Isaac Newton call the force that pulled the apple to the ground?

Gravity

What did Newton realize was holding planets in orbit in the solar system?

Gravity

What did Newton discover about the Moon's relationship with Earth?

It was being pulled by gravity towards Earth

What are the three laws of motion formulated by Newton?

<p>First law: Objects continue doing what they are doing unless other forces speed them up or slow them down. Second law: Heavier objects need more force to move them. Third law: Whenever an object pushes another object, it gets pushed back equally hard in the opposite direction.</p> Signup and view all the answers

According to Newton's third law of motion, what happens when an object pushes another object?

<p>It gets pushed back equally hard in the opposite direction</p> Signup and view all the answers

What did Newton realize about the relationship between the size of a planet or star and the force of gravity?

<p>The bigger the planet or star, the bigger the force of gravity it has</p> Signup and view all the answers

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