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 thomas jefferson do

which expression is equivalent to 4(2.61y-3.08)?

if y varies directly as x and y is 8 when x is 3 what is the relationship between x and y fine y when x is 18

In order to gain funding for infrastructure development, tribes can vote to overturn old, often biased laws tribes are often pressured to give up or settle clai

Translate the following equation. "Three less than twice a number is the same as a different number subtracted from negative four"

a cylindrical cup is 8 centimeters it holds 480 centimeters what is the radius

(50 POINTS) Which of the following represents the graph of f(x) = 2(x + 3)? a. Graph begins in the second quadrant near the line y equals negative 3 and increa

What’s 5 1/2 times 5/8?

Solve the equation using PEMDAS. 49÷7·3+(5-5)=

(100 points on this) The box is laid on its side and the white label covers 60% of the lateral surface area of the box. Find the length of the box.