
Friction and Gravity Concepts

Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Newton propose about the force of attraction between two objects?
It is stronger for lighter objects.
It only exists between objects of the same mass.
It acts along the line joining their centers.
It is independent of the distance between them.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate value of gravitational acceleration near the Earth's surface?
8.91 meters per second squared
11.81 meters per second squared
9.81 meters per second squared
10.81 meters per second squared
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Galileo's experiment demonstrate about falling objects?
Objects with more surface area fall faster.
All objects fall at the same rate regardless of mass.
Lighter objects fall faster than heavier ones.
Heavier objects fall faster than lighter ones.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In physics, how is weight defined?
As the volume of an object in cubic meters
As the force of gravity on an object
As the density of an object in grams per cubic centimeter
As the mass of an object in kilograms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What prevents you from falling through the ground despite gravity pulling you down?
The air pressure above you
The gravitational pull from the moon
The normal force from the ground
The ground's magnetic field
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the normal force?
A force parallel to the surface
A force perpendicular to the surface
A force that acts only in liquids
A force that acts only in gases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of friction in motion?
It has no effect on motion.
It initiates motion.
It accelerates motion.
It opposes motion.
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