Understanding Planetary Motion
Interactive Video
•
Physics, Science
•
5th - 8th Grade
•
Practice Problem
•
Medium
Aiden Montgomery
Used 8+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main forces that cause planets to revolve around the sun?
Friction and gravity
Magnetism and friction
Inertia and gravity
Electricity and magnetism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the law of inertia, what happens to an object in motion?
It will continue in a straight line
It will change direction
It will stop immediately
It will move in a circle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it difficult to start moving a heavy object like a car?
Because of friction
Because of air resistance
Because of inertia
Because of gravity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is gravity described as in the universe?
A repulsive force
A weak force
A fundamental force
A temporary force
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the mass of an object affect the force of gravity?
Mass does not affect gravity
The greater the mass, the more it repels gravity
The greater the mass, the stronger the gravity
The greater the mass, the weaker the gravity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the hammer thrower analogy, what role does the handle play?
It acts like inertia
It acts like gravity
It acts like air resistance
It acts like friction
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What keeps the planets in orbit around the sun?
Magnetic forces
Only gravity
Only inertia
A combination of gravity and inertia
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