TY - BOOK ID - 149831415 TI - Raising a bag of toys : pulley vs. inclined plane PY - 2016 SN - 1467782998 PB - Minneapolis : Lerner Publications, DB - UniCat KW - Pulleys KW - Inclined planes UR - https://www.unicat.be/uniCat?func=search&query=sysid:149831415 AB - ER -