commanderbeast945 commanderbeast945

02-10-2019
Physics

contestada

when a book falls from a shelf to the ground without anyone pushing on it, no work is done to the book. True or False

Respuesta :

02-10-2019

That's false.

-- The force on the book is its weight.

-- The force acts through the distance the book falls.

-- The work done on the book is

(weight) x (length of the fall)

-- Gravity DOES the work.

Answer Link

Otras preguntas

Help!! I don’t remember how to do this and I have a test tomorrow!!

A certain math teachers likes to keep a box of prizes to distribute to students. The math teacher likes to keep at least twice as many prizes in the box as she

What fraction of an hour is 50 minutes? Give your answer in its simplest form.

If a person adds benzidene to cells grown in a test tube. Within minutes, she see’s the cells energy level fall and the metabolism in the cell comes to a stop.

Where is Miep on the day the Secret Annex is raided? She is visiting family in the country. She has already been arrested by the Nazis. She is searching for foo

suppose, due to favorable weather, the crop in 2012 is 330 tons. in percentage terms, how much bigger is the 2012 crop over the 2007-2011 average?

Dividing DecimalsFind each quotient.1. 8.4 +0.3 =3. 10.5 - 1.5 =5. 72.8 -1.4 =7. 2.87 + 0.01 =I need to show work :<

The price of a plane ticket has increased from $150 to $200. By what percent has the price increased?

Which is true of a paraphrase !!!!!

Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months. How much will Jim owe the bank after 4 years? Round to the nearest cent