Lecture 7.1: Circular Motion
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Last updated almost 7 years ago
12 questions
Note from the author:
Introduction lecture & practice problems to uniform circular motion variables and concepts
1
Select all requirements for objects to move in a circle
Select all requirements for objects to move in a circle
1
You are swinging an object in a horizontal circle and let it go at point A. What will be the path of the object immediately after you let go?
You are swinging an object in a horizontal circle and let it go at point A. What will be the path of the object immediately after you let go?
1
Which of these forces can be the centripetal force?
Which of these forces can be the centripetal force?
1
How does the centripetal acceleration affect the velocity of an object in uniform circular motion?
How does the centripetal acceleration affect the velocity of an object in uniform circular motion?
1
A hummingbird beats its wings 80 times in 4 seconds. What is its period? (answer as a decimal, not a fraction.
A hummingbird beats its wings 80 times in 4 seconds. What is its period? (answer as a decimal, not a fraction.
1
What is the hummingbird's wingbeat frequency?
What is the hummingbird's wingbeat frequency?
1
A jogger runs around a quarter of a full track in 10 seconds. What is the period of their motion around the track?
A jogger runs around a quarter of a full track in 10 seconds. What is the period of their motion around the track?
1
What is the frequency of the runner's motion around the track?
What is the frequency of the runner's motion around the track?
1
A 1000 kg car drives around a circle of radius 20 m in 10 seconds. What is its tangential velocity? Round to 1 decimal place
A 1000 kg car drives around a circle of radius 20 m in 10 seconds. What is its tangential velocity? Round to 1 decimal place
1
What is the car's centripetal acceleration? Round to 1 decimal place
What is the car's centripetal acceleration? Round to 1 decimal place
1
What is the car's centripetal force? Round to 2 sig figs.
What is the car's centripetal force? Round to 2 sig figs.
1
Which type of force is acting as the centripetal force?
Which type of force is acting as the centripetal force?