Simple experiments with pulleys

Pulleys are simple machines that have many uses, from lifting an injured boater into a rescue helicopter to drawing a bucket of water from a well! This book explains the science behind this helpful machine.

שנה

2014

שפה

English

סדרה

Science experiments with simple machines

מהדורות

4

עמודים

32

ISBN

9781615337514

מקור הנתונים: Wikidata