EasyPhysicsHigh School (11–12)Waves & Sound › Oscillations and Simple Harmonic MotionNumerical

A glider of mass 0.80 kg on a smooth air track is tied to a spring of spring constant 125 N/m…

Try it on paper first. A hint, the key idea and the worked solution are here when you need them.

A glider of mass $0.80\ \text{kg}$ on a smooth air track is tied to a spring of spring constant $125\ \text{N/m}$ . It is pulled aside and let go. Find the angular frequency, the period and the frequency of its motion.

Need a reminder? The key ideaShow

A restoring force in proportion to the displacement, $F = -kx$ , gives simple harmonic motion with

\displaystyle \omega = \sqrt{\frac{k}{m}}, \qquad T = 2\pi\sqrt{\frac{m}{k}}, \qquad f = \frac{1}{T}

The period does not depend on the amplitude.

The worked solution

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Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.

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