Question

A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion. times

Answer 1

The child swing through the swing's equilibrium position 6 times during the course of 3 periods.

Explanation:

One period means time taken to complete one revolution.

In case of swings in one period time it travels the same position through two times.

Here we need to find how many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion.

For 1 period = 2 times

For 3 periods = 3 x For 1 period

For 3 periods = 3 x 2 times

For 3 periods = 6 times

The child swing through the swing's equilibrium position 6 times during the course of 3 periods.

Answer 2

The child will swing 6 times through the swing's equilibrium position during the course of 3 periods (s) of motion.

What will be the swing of the child?

The meaning of the one period is that  the time taken to complete one revolution

While in swing the one period means that it travels from the same position by two times

Now to find out how many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion.

$\rm For \ one \ Period = 2\ times$

$\rm For \ Three \ Period = 3 \times For \ 1 \ Period$

$\rm For \ Three \ Period = 3\times2=6 \ Times$

Thus the child will swing 6 times through the swing's equilibrium position during the course of 3 periods (s) of motion.

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