commanderbeast945
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 :

AL2006
AL2006 AL2006
  • 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

Which describes the reasons for choosing George Washington to lead the Continental Army? a. effective campaign for the job; the only person in the colonies wit
what is 90.69 rounded to the nearest tenth
8+|1+(-15)| how do u solve this ?
jamie wrote 4.4 - 0.33 = 1.1 . Is his answer resonable? Why or why not?
0.800 rounnded off to the nearest tenth
What is the velocity of a bus that travels 305 km in 5 hours
What was Sammy’s average velocity between 30 and 40 seconds?
What are some purposes of Christian art?
what would you describe the number sentence 6 + 0 equals 6
What is a theory that the earths outer shell is not one piece of rock