decosta1928 decosta1928

03-05-2020
Physics

contestada

a block and tackle pulley system of 6 pulley uses 300N to overcome 1200N.find efficiency

Respuesta :

MathPhys MathPhys

03-05-2020

Answer:

66.7%

Explanation:

There are 6 pulleys, so the mechanical advantage is 6.

The theoretical force needed to overcome 1200 N is therefore:

1200 N / 6 = 200 N

The actual force is 300 N. So the efficiency is:

200 N / 300 N × 100% = 66.7%

Answer Link

Otras preguntas

Why was the Battle of Fort Sumter significant? It was the last Confederate victory of the Civil War. It was the first battle fought on water. It caused the C

Guys plssssssss! I want to spend time today and tomorrow with my fam before they go back to Washington

Savannah has an action figure collection. She keeps 57 of the action figures on her wall, which is 19% of her entire collection. What is the total number of act

I NEEP HELP ASAP PLEASE AND THANK YOU

If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.3

9 × ( 6+ 11 ) = (9 6) (9 11)

!!Look at the photo please!!

The definition of all of the below Literary elements: Central Conflict Interesting Diction Imagery Mood Motif Point of View Simile Symbolism Theme Tone

Cannot be chemically broken down into simpler substances

Physical values in the real world have two components: magnitude and