Reducing friction in a machine

A. decreases its actual machine advantage

B. decreases the work output

C. increases its efficiency

D. increases its ideal mechanical advantage

I will name you brainliest if you get it correct

A boy pulls a 28.0-kg box with a 230-N force at 35° above a horizontal surface. If the coefficient of kinetic friction between the box and the horizontal surface is 0.24 and the box is pulled a distance of 30.

A train travels 75 kilometers in 3 hours, and then 66 kilometers in 1 hours. What is its average speed?

What kind of energy can be transferred? energy

Who decides whether a paper gets published in a scientific journal?

How does a generator produce an electric current

Can a simple machine's efficiency ever be greater than 100%? Explain your answer.

A fishbowl has a circular opening with a diameter of 13 cm. The fishbowl sits upright on a table in a magnetic field of 0.00110 T that is directed downward. What is the flux through the glass of the bowl? -1.5*10^-5 Wb -4.5*10^-4 Wb 0.0 Wb -5.

Why do cars need a cooling system in conjunction with the engine

A runner starts from rest and has an acceleration of 3 m/s2. How fast is she running after 1.1 seconds

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?