What is the only force acting on a spacecraft in a circular orbit around Earth?
2018 #1 Free Response Question - AP Physics 1 - Exam Solution

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Physics, Science, Other
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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
Friction
Normal force
Applied force
Gravitational force
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the importance of a free body diagram in solving physics problems?
It helps visualize forces
It calculates speed
It measures mass
It determines time
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you ensure when drawing a free body diagram for a spacecraft in orbit?
Include all possible forces
Only include gravitational force
Include friction and normal force
Include applied force
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of orbital motion, what does the centripetal acceleration depend on?
Applied force and radius
Mass and gravitational force
Normal force and friction
Tangential velocity and radius
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct approach to solve for the orbital period using angular velocity?
Use tangential velocity and radius
Use normal force and friction
Use angular velocity and radius
Use mass and gravitational force
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the mass of a spacecraft affect its orbital period when the radius is constant?
Does not affect the orbital period
Increases the orbital period
Doubles the orbital period
Decreases the orbital period
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the speed of a spacecraft if its orbital radius is increased?
Speed decreases
Speed increases
Speed remains constant
Speed doubles
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What assumption was incorrect in the initial solution regarding angular velocity?
Angular velocity increases
Angular velocity doubles
Angular velocity remains constant
Angular velocity decreases
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between tangential velocity and angular velocity?
Tangential velocity equals angular velocity squared
Tangential velocity equals angular velocity divided by radius
Tangential velocity equals angular velocity cubed
Tangential velocity equals angular velocity times radius
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing the radius on the angular speed of a spacecraft?
Angular speed doubles
Angular speed remains constant
Angular speed decreases
Angular speed increases
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