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

Convert 4 3/5 to a fraction greater than one
What is the map scale distance represented by the following actual distance if the scale is 1 inch = 1,000 feet? 1,500 feet = ? inches.
Please help with this health question
Find the gradients on the lines a and b ( I already got b.)
the number of teeth in a complete primary set
Tim is a project manager. He is brainstorming with his team about problems that could arise during the next phase of the project. They are also listing strategi
What obstacle was faced by both Central Pacific and Union Pacific workers? attacks from Indigenous People on the plains danger from blasting through the Sierra
write the equation of a line in slope interest form that passes through (16,0) and (17,12)
one reason China has become an important international power is because​
What percentage of the heat lost by the hot object(s) was gained by the water? Explain at least three factors that might have caused the results of parts D and