Compute the work done by the friction force

Reference no: EM1391235

Q. A 295 Kg piano slides 4.1 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .40.

A) Compute the force exerted on the man
B) compute the work done by the man on the piano
C) compute the work done by the friction force
D) What is the work done by the force of gravity?
E) What is the net work done on the piano?

Reference no: EM1391235

Questions Cloud

Explain why employers implementing policies which require : relative-rating approaches mean which one of the methods of judgment is wrong. Explain why are employers implementing policies which require employees to adopt healthier lifestyles?

Explain how virus manipulates cellular process course : Explain how their virus manipulates each cellular process course: mechanism of cell entry, how the host transcription/translation machinery is used,

Minimum gmat score specified for eligibility : If the university wants only the top 75% of the students to be eligible to apply, what should be the minimum GMAT score specified for eligibility?

How much power would be produced by these falls : An athlete at the gym holds a 1.8-kg steel ball in his hand. His arm is 74-cm long and has a mass of 4.00 kg. What is the magnitude of the torque about his muster if he holds his arm straight out, parallel to the floor.

Compute the work done by the friction force : A 295 Kg piano slides 4.1 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .40.

Describe type of evidence using data-facts-expert opinions : Describe the type of evidence which each participant used to back up his or her claims, like examples, data, facts, expert opinions, testimonies, and personal experience.

Demand curve problem : The demand curve for 48" Sony flat screen televisions is likely to move to the right when consumer incomes increase.

What are the advantages which it could promote : In terms of closures, illustrate what are the disadvantages which the cork industry needs to address and illustrate what are the advantages which it could promote?

State a formal hypothesis for the experiment : In the experiment, we will establish microcosms to test the effect of illumination on relative abundance of our two ciliate phenotypes. You will use three beakers filled with water.

User Account

All Pages