Chapter 1, Problem 1.7P

Interpretation Introduction

Interpretation:

The number of joules per second and number of calories per hour produced by a $100.0$ horsepower engine has to be calculated.

Concept Introduction:

SI units refers to ‘International System of Units’ which have been used in the modern scientific calculations and metric system.

It constitutes units of measurement of seven basic parameters – length, mass, time, electricity, temperature, amount of substance and luminous intensity.

The units derived from the seven fundamental units that are stated above are termed as SI derived units.

The SI unit of measurement and derived SI units must be written as symbol in lowercase but unit named after a scientist must be written with first alphabet as uppercase.

Prefixes are the terms used to express smaller and larger quantities – in microscopic and macroscopic level.