What is one condition for an object to be in free fall?
Introduction to Free-Fall and the Acceleration due to Gravity

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Physics, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It must be moving at a constant speed.
It must not be touching any other objects.
It must be moving upwards.
It must be in a vacuum.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the accepted value of acceleration due to gravity on Earth?
9.81 meters per second squared
8.83 meters per second squared
1.62 meters per second squared
3.61 meters per second squared
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the acceleration due to gravity on the Moon?
9.81 meters per second squared
3.75 meters per second squared
8.83 meters per second squared
1.62 meters per second squared
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the acceleration due to gravity on Mars?
3.61 meters per second squared
3.75 meters per second squared
8.83 meters per second squared
1.81 meters per second squared
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements about free fall is incorrect?
Free fall occurs when the only force acting is gravity.
Free fall only occurs when an object is moving downwards.
An object in free fall can be moving upwards.
Free fall can occur in a vacuum.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of motion is characterized by a constant acceleration?
Uniformly accelerated motion
Circular motion
Uniform motion
Variable motion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the negative sign in the acceleration due to gravity indicate?
The acceleration is constant.
The acceleration is zero.
The acceleration is downwards.
The acceleration is upwards.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the acceleration due to gravity on Earth positive or negative?
Positive
Negative
Zero
Variable
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the acceleration due to gravity vary across different locations on Earth?
It is constant everywhere.
It varies slightly from location to location.
It is maximum at the equator.
It is zero at the poles.
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did the NASA experiment with a hammer and feather demonstrate?
Heavier objects fall faster.
All objects fall at the same rate in a vacuum.
Lighter objects fall faster.
Objects with different shapes fall at different rates.
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