

A.1 - 13 - Free Fall
Interactive Video
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
Maninder Kalsi
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary condition for an object to be considered in free fall?
It is moving at a constant velocity.
The only force acting on it is air resistance.
The only force acting on it is gravity.
It is stationary on the ground.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate acceleration due to gravity on Earth for an object in free fall?
0 m/s²
9.81 m/s² upward
9.81 m/s² downward
It varies depending on the object's mass.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an object is thrown straight upward and is in free fall, what is the direction of its acceleration as it moves upwards?
Upward, then downward.
Always downward.
Zero at the highest point.
It depends on the initial velocity.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an object is described as being "dropped" in a physics problem, what is its initial velocity?
Its velocity is equal to the acceleration of gravity.
Its velocity is 0 m/s.
Its velocity is negative.
Its velocity is unknown without more information.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ball is dropped from a height of 10 meters. Assuming acceleration due to gravity is 9.81 m/s² downwards, what is its velocity just before it hits the ground?
9.81 m/s
10 m/s
14 m/s
19.6 m/s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ball is thrown vertically upward with an initial velocity of 10 m/s. What is the maximum height it will reach? (Assume acceleration due to gravity is -9.81 m/s² when upward is positive).
10 meters
5.1 meters
19.6 meters
0 meters
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a ball is thrown vertically upward with an initial velocity of 10 m/s, how much time will it take to reach its maximum height? (Assume acceleration due to gravity is -9.8 m/s² when upward is positive).
0.51 seconds
1.02 seconds
2.04 seconds
9.8 seconds
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