Question

on a ground , one racer runs a distance at 100m in 10 seconds . In this examples , which unit is used to measure time 1)second 2) gram 3) meter 4) liter

Answer 1

hello,
the unit of time in the example is option 1.second which is the SI Unit of time

Answer 2

According to the widely followed International System of Units, the unit used to measure time is 1) second. Even other less popular measurement systems such as the CGS, FPS and MKS adopt second as the base unit of time.

A second is represented by the symbol ‘s’ and abbreviated as either ‘s’ or ‘sec’. It is often measured using an atomic, an electrical, or a mechanical clock.