Energy and Work in Uniform Circular Motion (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does 'uniform' mean in uniform circular motion?
What does 'uniform' mean in uniform circular motion?
The speed remains constant
How does kinetic energy change during uniform circular motion?
How does kinetic energy change during uniform circular motion?
It remains constant
Why is potential energy constant in horizontal circular motion?
Why is potential energy constant in horizontal circular motion?
The height doesn't change
What is the total mechanical energy in horizontal uniform circular motion?
What is the total mechanical energy in horizontal uniform circular motion?
Constant
What is the work done by centripetal force in horizontal uniform circular motion?
What is the work done by centripetal force in horizontal uniform circular motion?
Zero
What is the relationship between centripetal force and displacement in circular motion?
What is the relationship between centripetal force and displacement in circular motion?
They are perpendicular
Why is work zero when force is perpendicular to displacement?
Why is work zero when force is perpendicular to displacement?
Displacement in force direction is zero
How does potential energy change in vertical circular motion?
How does potential energy change in vertical circular motion?
It varies as height changes
What is net work over a complete cycle in vertical circular motion?
What is net work over a complete cycle in vertical circular motion?
Zero
For vertical circular motion, how is height at top related to height at bottom?
For vertical circular motion, how is height at top related to height at bottom?
Bottom height plus diameter