Question: 1. A farmer uses a pulley system to raise a 225-N bale 16.5 m. A 129-N force is applied by pulling a rope 33.0 m.

1. A farmer uses a pulley system to raise a 225-N bale 16.5 m. A 129-N force is applied by pulling a rope 33.0 m. What is the mechanical advantage of the pulley system?

2. A laborer uses a lever to raise a 1250-N rock a distance of 13.0 cm by applying a force of 225 N. If the efficiency of the lever is 88.7%, how far does the laborer have to move his end of the lever?

Find the mechanical advantage of each pulley system.

FE FR

Step by Step Solution

★★★★★

3.59 Rating (181 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

1 MA FR FE 225N 129 N 174 2 Efficienc... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

251-P-M-E-E (148).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

1. What is the mechanical advantage of a pulley system having 12 strands holding the resistance? 2. A pulley system has a mechanical advantage of 5. What is the resistance force if an effort of 135 N...

(a) What is the mechanical advantage of the fishing pole in Figure? (b) If the fishermans hand moves forward 30.5 cm, how far will the tip of the fishing pole move? (c) How fast will the tip of the...

The mechanical advantage of a jackscrew is 97.0. (a) If the handle is 34.5 cm long, what is the pitch? (b) How much weight can be raised by applying an effort of 405 N to the jackscrew?

Question 1 MECHANICAL ADVANTAGE You examine the rear wheel on your bicycle. It has a radius of 35.6 cm and has a gear with a radius of 4.00 cm. When the chain is pulled with a force of 155 N, the...

(1) A farmer uses a lot of fertilizer to grow his crops. The farmer's manager thinks fertilizer products from distributor A contain more of the nitrogen that his plants need than distributor B's...

1. A farmer uses 200 m offending to enclose a rectangular pen. If the pen is 20 m wide. how long is the pen?

Positive & Negative Name: Externalities Date: Directions: For each of the following scenarios, identify whether it describes a positive externality, a negative externality, or neither. Provide...

table 1, tabke 2, question 1 and question 2 1 ABUS 465 Activity: Lease vs. Purchase w/ Taxes Name: 2 A farmer is trying to decide whether to lease or purchase a $100,000 tractor she plans to use for...

(Aspects of this may not be completely realistic, and not all of the numbers will be accurate to a seasoned farmer, but for the sake of a fun example, please approach with an open-mind). A farmer...

Word count: 800 words exactly Key Skills: sourcing appropriate research; library skills; critical analysis; academic writing; citation & bibliography Purpose 1. To practice critical analysis and...

Two tennis professionals, A and B, are scheduled to play a match; the winner is the first player to win three sets in a total that cannot exceed five sets. The event that A wins any one set is...

1. In the market for motor scooters, several events occur, one at a time. Explain the influence of each event on the quantity demanded of scooters and on the demand for scooters. Illustrate the...

Why is it more likely that those involved in tactical operations would receive more hands on training than classroom instruction?

Futures Contracts (LO3, CFA4)What is the open interest on a futures contract? What do you think will usually happen to open interest as maturity approaches?

The fan draws air through a vent with a speed of 12 ft/s. If the corss-sectional area of the vent is 2 ft2, determine the horizontal thrust on the blade. The specific weight of the air is The...

The buckets on the Pelton wheel are subjected to a 2-in-diameter just of water, which has a velocity of 150 ft/s. If each bucket is traveling at 95 ft/s when the water strikes it, determine the power...

The static pressure of water at C is 40 lb/in2. If water flows out of the pipe at A and B with velocities vA = 12 ft/s and vB = 25 ft/s, determine the horizontal and vertical components of force...

5-5 You plan to buy a new car. The price is $30,000 and you will make a down payment of $4,000. Your annual interest rate is 10% and you intend to pay for the car over five years. What will be your...

A one-year European call option on ABX corporation with a strike price of $50 is currently trading for $1.45, and a one-year European put option on ABX with the same strike price is currently trading...

A 13-year annuity pays $3,000 per month, and payments are made at the end of each month. The interest rate is 9 percent compounded monthly for the first six years, and 7 percent compounded monthly...