14-03-2017
Mathematics

contestada

What is the minimum force required to prevent a ball weighing 22.6 lb from rolling down a ramp which is inclined at 39 degrees with the horizontal?

Respuesta :

Аноним Аноним

14-03-2017

Assuming there is no friction
minimum force = 22.6 * 32 * sin 39 = 455.1

Answer Link

Otras preguntas

A muscle cell with high concentration of carbon dioxide and a low concentration of oxygen is surrounded by blood with a high concentration of oxygen and a low c

\In a mouse population, some mice have thicker fur than others, but there are more mice with thinner fur. The climate in which these mice live has slowly gotten

Hemophilia is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree.In the pedigree that is shown, which repre

What does how are the readings situated within the historical, geopolitical context in which it's written/set mean?

The cutoff frequency for a certain element is 1.22 x 10^15 Hz. What is its work function in eV?

Can someone help me with this as well? (I think I put 50 points for whoever answers this? ) Pls and ty!I suck at math lol

If you drive 72 miles and use 6 gallons of gas, what is your rate

simplify the equation ( 3(3) × 3 (4) ) ÷ 3 (2)

Select the definition that best describes the term “ultimate tensile strength.”

An upward force is applied to a 6.0–kilogram box. This force displaces the box upward by 10.00 meters. What is the work done by the force on the box?