science

When there is a lot of friction in a machine, what is lowered and causes mechanical efficiency to be lowered

1. 👍
2. 👎
3. 👁
1. Efficiency = Output/Input.

High friction lowers the output and causes mechanical efficiency to be lowered.

1. 👍
2. 👎

Similar Questions

1. Physics

A machine with v.r of 5 requires 1000No of work to raise a load of 500N through a vertical distance of 1.5. ( a ) find the efficiency of the machine. (B) calculate it's mechanical advantage

2. Science

What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do

3. History

1.)Who increased communication throughout the United States by inventing the telegraph? A.)Elijah McCoy B.)Samuel Morse*** C.)Isaac Singer D.)Eli Whitney 2.)Which of these 19th century inventions made the production of clothing

4. physics

A machine with a velocity ratio requires 1000J of work to raise a load of 500N through a vertical distance of 1.7m . find the efficiency and mechanical advantage of the machine.

1. Science

1. Which of the following statements about mechanical waves is true? a. mechanical waves require a medium to travel through b. mechanical waves do not have amplitude and wavelength c. mechanical waves do not have frequency d.

2. Physics

A 70.0 kg base runner begins his slide into second base while moving at a speed of 4.0 m/s. The coefficient of friction between his clothes and Earth is .70. He slides so that his speed is zero just as he reaches the base. How

3. physics

A machine with velocity ratio 5 requires 1000J of work o raise a load of 600N through a vertical distance of 1.25m find i.work output ii.the efficiency of the machine iii.the mechanical advantage of the machine

4. MATH

1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2

2. Agosec Ghana

a machine was used to lift a load of 30N through a distance of 2metres. the effort applied was 10N through a distance of 8metres. calculate the. A) mechanical advantage B) work input of the machine C) work output of the machine D)

3. Science

John uses the machine in 1kg to raise a 60N load from the ground to a distance of 0.4m.The effort used by john to do work is 20N. Calculate i) the mechanical advantage. ii)efficiency of the machine.

4. History

2.)Which of these 19th century inventions made the production of clothing more efficient? A.)Cotton gin B.)Sewing machine*** C.)Steam locomotive D.)Mechanical reaper B?