Mastering Newton's First Law

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Questions and Answers

Why do objects eventually fall to the ground?

Because of the tendency to keep the same motion
Because of the weak pull of gravity in outer space
Because of inertia
Because of the unbalanced force of gravity (correct)

What is gravity?

The unbalanced force that brings everything to the center of the Earth (correct)
The force that makes objects fall to the ground
The tendency of an object to keep its same motion
The force that keeps objects in outer space

Why does a ball thrown up into the air eventually come down?

Because of the weak pull of gravity in outer space
Because of inertia
Because of the tendency to keep the same motion
Because of the unbalanced force of gravity (correct)

What is inertia?

The tendency of an object to keep its same motion (B) Signup and view all the answers

Why do spaceships fly around easily in outer space?

Because of the weak pull of gravity in outer space (B) Signup and view all the answers

Explain the concept of gravity and its role in bringing objects to the center of the Earth.

Gravity is an unbalanced force that pulls everything towards the center of the Earth. It is responsible for bringing objects down when they are thrown up in the air. Signup and view all the answers

What is inertia and how does it affect the motion of objects?

Inertia is the tendency of an object to keep its same motion. It means that objects will continue moving in a straight line or stay at rest unless acted upon by an external force. Signup and view all the answers

Why does the saying 'What goes up, must come down' hold true?

This saying holds true because of the force of gravity. When objects are thrown up, gravity pulls them back down towards the Earth. Signup and view all the answers

How does the pull of gravity change as you get closer to outer space?

The pull of gravity gets weaker as you get closer to outer space. In outer space, there isn't an unbalanced force like gravity pulling on objects, which allows spaceships to fly around easily. Signup and view all the answers

Explain the difference in the behavior of objects in outer space compared to on Earth.

In outer space, the rules of gravity are different. The pull of gravity is weaker, so objects don't fall to the ground like they do on Earth. Spaceships can move around easily without the force of gravity pulling on them. Signup and view all the answers