rotates
51Bucket argument — Isaac Newton s rotating bucket argument (also known as Newton s bucket ) was designed to demonstrate that true rotational motion cannot be defined as the relative rotation of the body with respect to the immediately surrounding bodies. It is one… …
52Council of the European Union — Not to be confused with European Council or Council of Europe. Council of the European Union name in other official languages …
53Floppy disk — Floppy redirects here. For other uses, see Floppy (disambiguation). 8 inch, 5 1⁄4 inch, and 3 1⁄2 inch floppy disks …
54Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
55Kickboxing — Kickboxer redirects here. For the Jean Claude Van Damme film, see Kickboxer (film). Kickboxing Focus Striking Country of origin …
56Mechanical advantage — is a measure of the force amplification achieved by using a tool, mechanical device or machine system. Ideally, the device preserves the input power and simply trades off forces against movement to obtain a desired amplification in the output… …
57Rotary dial — A German Fe TAp 615, (R g) a widespread rotary dial telephone of the 1960s to the 1980s The rotary dial is a device mounted on or in a telephone or switchboard that is designed to send electrical pulses, known as pulse dialing, corresponding to… …
58Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …
59Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …
60Human leg — Lateral aspect of right leg Latin membrum inferios MeSH …
