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Rotational Motion and Angular Displacement Quiz

13 Questions

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Rotational Motion and Angular Displacement Quiz

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Questions and Answers

What is the relationship between angular displacement (Δθ) and the arc length (s)?

Δθ = s - r

Δθ = s / r (correct)

Δθ = s + r

Δθ = s * r

How is angular velocity defined?

Change in angular displacement per unit of time (correct)

Rate of change in circumference over time

Rate of change in radius over time

Change in arc length per unit of time

What is the relationship between angular velocity (ω) and tangential velocity (v)?

v = ω / r (correct)

v = ω - r

v = ω * r

v = ω + r

How is angular acceleration defined?

Rate at which angular velocity changes with respect to time Signup and view all the answers

What is the relationship between angular acceleration (α) and tangential acceleration (atan)?

atan = rα Signup and view all the answers

What is the relationship between angular velocity (ω) and radial acceleration (arad)?

arad = ω^2r Signup and view all the answers

What is the rotational analog of mass?

Moment of Inertia Signup and view all the answers

What is the SI unit of torque?

Nm Signup and view all the answers

What must be zero for an object to maintain static equilibrium?

Net torque Signup and view all the answers

What did Newton discover about gravity's connection between any two masses?

It can be described as a spring-like connection. Signup and view all the answers

According to Kepler's Law of Orbits, what shape do planets move in around the Sun?

Elliptical orbits Signup and view all the answers

What does the Law of Areas describe about the motion of planets?

It describes the equal areas swept out by a line connecting a planet to the sun in equal times. Signup and view all the answers

What is the maximum displacement of a body from its equilibrium position called?

Amplitude Signup and view all the answers