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

What factors are used in the rule-of-thumb methods to determine the communication budget?.
Select the correct answer. which english county is the setting for wuthering heights? a. worcestershire b. yorkshire c. hertfordshire d. derbyshire
Which is useful for high-throughput sequencing, but is not part of sanger dna sequencing?
El número que falta en (–15) × ____ × 8 × (–4) = –4320, es:
The conversion of the fatty acid palmitate (c16) to carbon dioxide via β-oxidation, the citric acid cycle and oxidative phosphorylation yield approximately ____
Genuineness, or reality, of agreement is said to be present in a contract when there is:_______.
Determine the factors of x2 − 8x − 12. (x − 6)(x 2) (x 3)(x − 4) prime (x 6)(x − 2)
When the cash flows are the same every period after the initial investment in a project, the payback period is equal to?
why do people get shocks​
I will give you 10 pts if you teach me ​