What power must be supplied to the motor to raise the crate

Reference no: EM13973667

To use the principle of work and energy to determine characteristics of a mass being pulled up an incline and determine the power that must be supplied to the system when the efficiency of the input system is considered.

As shown, a 56kg crate is pulled up a theta = 65 degree incline by a pulley and motor system. Initially at rest, the crate is pulled s = 4.5m up along the incline. Undergoing constant acceleration, the crate reaches a speed of 2.7m/s at the instant it has traveled this distance.

Part A - Power supplied to the crate when friction is considered

Considering the coefficient of kinetic friction μk = 0.15, determine the power that the motor must supply to the crate the instant the crate travels a distance of 4.5m.

Part B - Power supplied to the motor when efficiency is considered

If the motor has an efficiency of E = 0.87, what power must be supplied to the motor to raise the crate?

Reference no: EM13973667

Questions Cloud

Appearance of the city and endangering : "What's good for Nori & Leets is good for the town." However, this attitude is now changing; uncontrolled air pollution from the company's furnaces is ruining the appearance of the city and endangering the health of its residents.

Write summary that describe what review says about acting : First, analyze all four reviewers and, for each reviewer, write at least one summary sentence describing what the review says about the acting in the film.

Find the smallest value for t that satisfies both conditions : A particular application requires t = t' and uses light with wave length lambda = 600 nm in air. Combine your results from a) and b) to find the smallest value for t that satisfies both conditions.

Global poverty is an international issue : Global poverty is an international issue. Other countries are inclined to look to the U.S. with its great wealth to take an active role in assisting poor nations. People here spend money trying to counter baldness while people in other countries are ..

What power must be supplied to the motor to raise the crate : If the motor has an efficiency of E = 0.87, what power must be supplied to the motor to raise the crate

Generate competitive advantages to an organization. : As a public IT manager, what implications does such argument have for public sector organizations, how would you respond to such argument?

Identifying those places where the author agrees with others : Read the article: Why Men Still Can't Have It All, identifying those places where the author agrees with others, disagrees, or both.

Record the amount of food-beverage consumed : Record the amount of food/beverage consumed. Use household measures such as cups, tablespoons, teaspoons, ounces, pounds, etc.

Determine the effects of sleep deprivation : Sleep Deprivation A researcher wants to study the effects of sleep deprivation on motor skills. Eighteen people volunteer for the experiment: Jake, Maria, Mike, Lucy, Ron, Adam, Bridget, Carlos, Steve, Susan, Vanessa, Rick, Dan, Kate, Pete, Judy, ..

User Account

All Pages