**Question:**

**Which of the following expressions corresponds to simple harmonic motion along a straight line, where $x$ is the displacement and $\mathrm{a}, \mathrm{b}, \mathrm{c}$ are positive constants?**

$a+b x-c x^{2}$

$b x^{2}$

$a-b x+c x^{2}$

$-b x$

Question of from chapter.

JEE Main Previous Year Online April 12, 2014

Correct Option: 4

**Solution:**

### Related Questions

The position co-ordinates of a particle moving in a 3-D coordinate system is given by

$x=\mathrm{a} \cos \omega \mathrm{t}$

$y=a \sin \omega t$

and $z=a \omega t$

The speed of the particle is:

TTwo simple harmonic motions, as shown, are at right angles. They are combined to form Lissajous figures.

$$

\begin{aligned}

&x(t)=A \sin (a t+\delta) \\

&y(t)=B \sin (b t)

\end{aligned}

$$

Identify the correct match below

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