L Flashcards
1
Q
Question 1: What is the force causing the point mass to rotate?
A
Answer: Gravity
2
Q
Question 2: What is the relationship between linear acceleration (a) and angular acceleration (α)?
A
Answer: α = a/r
3
Q
Question 3: What is the formula for torque (τ) in this example?
A
Answer: τ = Fr
4
Q
Question 4: What physical quantity does I represent in the equation τ = Iα?
A
Answer: Moment of inertia.
5
Q
Question 5: What is the final derived expression for the moment of inertia of a point mass?
A
Answer: I = mr²
