potenial energy
It is a fixated bone with no joint.
Nope.
as fast as your finger nail groesit doesnt
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You cast the levitating spell on a table and move it next to the shelf where the book is, stand on the table. The book will fly away, so move the table and do the same thing, keep doing this until you get the book.
the object will move
The ball was centrifugal when placed on the tilted table. This word means to move away from the center of something.
potenial energy
if it is a fixed pulley, itself doesnt move. If it is a rotating pulley, its joint probably doesnt move.
For example, if the book is resting on a table, gravity pulls the book down, and the table pushes the book up.
Click a table move handle to select the entire table.
it doesnt anymore
Moving this table should be no problem!
no, if you had a heavy book on a table, the closer you move it to the edge the more you increase the gravitational potential energy
No. If the book is sliding along the table, then there must be some external force being applied to the book to cause the movement. You pushed the book and created a force to move. And this is exactly what the first law is saying- a body at rest (net forces acting on book=0) remains at rest unless acted upon my some external force.
table move handle