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General Physics 1 2nd Quarter: Rotational Motion Concepts

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General Physics 1 2nd Quarter: Rotational Motion Concepts

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Questions and Answers

What is the formula for angular displacement?

$\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$

$\omega = \mathrm{\Delta}\frac{\theta}{\mathrm{\Delta}t}$

$\Delta\theta = \theta2 - \theta1$ (correct)

$v = r\omega$

What is the unit of angular velocity?

m/s

rev/sec (correct)

rad

What is the relationship between angular velocity and tangential velocity?

$atan = r\alpha$

$\omega = \mathrm{\Delta}\frac{\theta}{\mathrm{\Delta}t}$

$v = r\omega$ (correct)

$\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$

What is the formula for angular acceleration?

$\alpha = \mathrm{\Delta}\frac{\omega}{\mathrm{\Delta}t}$ Signup and view all the answers

What is the relationship between angular acceleration and tangential acceleration?

$atan = r\alpha$ Signup and view all the answers

If the radius is given, what is the relationship between angular velocity and radial acceleration?

$arad = \omega^2r$ Signup and view all the answers

What is the SI unit of torque?

Nm Signup and view all the answers

What is the formula for calculating torque?

$\tau = F \times r$ Signup and view all the answers

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

The net force Signup and view all the answers

What is the SI unit of moment of inertia?

$kg-m^2$ Signup and view all the answers

What is the formula for calculating moment of inertia for a single particle?

$I = mr^2$ Signup and view all the answers

According to the Law of Gravitation, what does the magnitude of gravitational force depend on?

Distance between the particles Signup and view all the answers

What did Newton discover about gravity?

It can be described as a spring-like connection between any two masses Signup and view all the answers

According to Kepler's Laws of Planetary Motion, what shape do planets move around the Sun in?

Elliptical orbits Signup and view all the answers

What does periodic motion refer to?

'Motion that regularly repeats—the object returns to a given position after a fixed time interval Signup and view all the answers

What does amplitude in periodic motion refer to?

Maximum displacement of a body from its equilibrium position Signup and view all the answers