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

What does a advocate mean to you?

In the figure below, ZABD measures 37°. What is the measure of ZABC? B A. 740 B. 640 C. 37° D. 47

How would you answer this? Write a conversion between you and your mother regarding the impact of rapid development in the fields of science and technology on t

Evaluate the impact of risky behavior on your personal which expectations in relation to the career l follow as being a doctor

Find the sales tax and total cost of a Sony Playstation that costs $151.99. The tax rate is 4%. Round your answer to the nearest cent.

53 - 180 ? Not sure

Solve -1/2 w -3/2= 1/5 w

use the digits 5,3 and 2 only once in each number how many different 3- digit numbers can you make A. 12 B. 8 C. 5 D. 10 E. 6

In this sample we can see that typical males weigh more than typical females. Show that this is true by calculating the typical interval for each group using me

What type of burn involves only the top layer of your skin and will look red and feel painful, almost like a sunburn, but will turn white when pressed? OA secon