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

Find the number of moles and the number of molecules in one cubic meter of air at 1 atmospheric pressure and 0C.

what is the difference between cd-r, cd-rw and cd-rom

I need plz and thank you I am time

help me please help me please help me please

Answer thanks a lot.

The immune response is the body’s reaction to fighting infections and

Find the sum of the geometric series. /3-3/2+3|3/4-9/8+...

PLS HELP ! 100 POINTS!!!!! Select the correct answer. This graph represents a quadratic function. What is the value of a in the function’s equation?

You want to receive alerts if unusual activity is detected relating to the Web servers deployed in your perimeter network. What should you do

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1 + 3Cl2 + 2AlCl3 How many grams of aluminum chloride could be produce