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

How did European affairs complicate the internal political and diplomatic problems of the new country (US)?

[tex]log_{8 x^{2} -23x+15}(2x-2) \leq 0[/tex]

Tap 1 fills the pool in 12 hours, while tap 2 fills the same pool in 15 hours. How long does it take to fill this pool if both taps are used?

Which accurately describes a letter written during the time a historical event occurred?

How many different 4-digit numbers can be formed using the digits 2, 4, 5, 6, and 7 such that no digits repeat and the number is divisible by four?

How did European affairs complicate the internal political and diplomatic problems of the new country (US)?

After Hitler came to power in 1933, he blamed Germany's defeat in World War I on A. Communists and American imperialists. B. Communists and Socialists. C. Jews

Which of the following is NOT an example of a liquid asset? a. cash c. a certificate of deposit b. travelers’ checks d. a checking account

what is the historical circumstance for the third amendment?

Which of the presidents listed below did not attain the presidency due to the death of a president? A. Chester Arthur B. Gerald Ford C. John Tyler D. Millard Fi