Uniform Circular Motion and Pendulums

Position v

What is an expression for position vector?

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What is an expression for velocity vector?

What is the equation to find the magnitude of velocity?

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What is an expression for the acceleration vector?

What is an equation for the magnitude of acceleration?

What is the equation for tangential force?

What is the equation for radial force?

What are the radial and tangential velocity components?

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What are the radial and tangential acceleration components?

What is uniform circular motion?

When a particle moves in a circle with constant speed

What is angular velocity measured in?

w = ̇θ is measured in radians with the positive direction anticlockwise

What does r(t) being constant imply?

Circular

What is an expression for the displacement of a particle in uniform circular motion?

**r** = r(coswt **i** + sinwt **j)**

What is an equation for tangential speed of a particle in uniform circular motion?

v = rw

What is the expression for magnitude of centripetal acceleration in circular motion?

a(r) = rθ^2 = rw^2 = (v^2)/r

What is the expression for magnitude of centripetal force in uniform circular motion?

F(r) = ma(r) = mrw^2

What expression is used for a simple pendulum?

What are the solutions to the equation for a simple pendulum?

What does angular frequency equal in the simple pendulum equation?