A shaft carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as to give static balance. Find the relative angular positions of the radii which define the unbalance. If the shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes 300 rev/min.

A shaft carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as to give static balance. Find the relative angular positions of the radii which define the unbalance. If the shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes 300 rev/min.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.60P: The force P applied to the brake handle enables the band brake to reduce the angular speed of a...

See similar textbooks

Related questions

Q: Determine the maximum incline e [degrees] that the car can drive up if it has front-wheel drive.…

A: Disclaimer:“Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: A Scotch Yoke mechanism of a packaging machine is shown in Figure. Mechanism is working on vertical…

A: Scotch yoke mechanism is used to convert sliding motion into rotary motion slider is coupled with…

Q: The operation of the fuel pump for an automobile depends on the reciprocating action of the rocker…

Q: Q2/ The six cylinder of a single- acting, two-stroke cycle Diesel engine are pitched 1 m apart and…

Q: 3. Position of W3 with W1 at the 1 cm mark. 1 cm C.g = Note:W1 is lighter than W3 Write a torque…

Q: Q5/ The wheel of mutur Cy cle and the engine Parts have antoment of inertia 2-5 kg.m and o I5 Ky.m…

Q: Determine the reactions at the pin support and the applied moment if the bar of Figure 3 has a mass…

A: Given: The mass of bar, m = 50 g The angle, θ = 15° The angular acceleration of bar, α’ = 20 rda/s^2

Q: A motor-cycle engine crankshaft has an angular velocity of 523.6 rad/s and is in third gear of ratio…

A: Given: Speed of crankshaft, ω1=523.6rad/s Third gear ratio, 1.62:1 The final chain reduction is,…

Q: metres from each other. The shaft must rotate at 30 rad/s when the truck travels at the speed of 40…

A: According to terms and conditions of bartleby we can only provide upto 3rd part. Thank you

Q: 1) Find the equivalent spring, N/mm 2) Find the force, F Kl: K5 k K2 x=10 mm K3 K4 K6 ........ .....

A: GIVEN DATA - A SPRING SYSTEM GIVEN WE HAVE TO FIND EQUIVALENT SPRING STIFFNESS AND FORCE

Q: The wheel has a weight of 20 lb and a radius of gyration of kg = 0.75 ft. If the coefficients of…

Q: Q3/ A vertical double acting steam engine develops 80 kW at 240 rpm. The maximum fluctuation of…

A: Angular velocity is the rotational velocity of a body. It is equal to the angular distance covered…

Q: Draw free-body diagrams of the two gears, assuming an input couple M on the OUT X shaft of the…

A: For the gear on shaft AB, For the gear on shaft CD

Q: Determine the reactions at the pin support and the applied moment if the bar of Figure 3 has a mass…

Q: a uniform semicircular rod of radius r is supported on a bearing at its upper end and is free to…

Q: 1. The 60-lb flywheel has a radius of gyration about its shaft axis of ko = 15 inches. Starting at i…

Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

A shaft carries three pulleys, A, B and C, the pulleys B and C being 1.2 m and 2.1 m from A. The pulleys
are out of balance to the extent of 0.03, 0.05 and 0.04 kg-m respectively and are keyed to the shaft so as
to give static balance. Find the relative angular positions of the radii which define the unbalance. If the
shaft is supported in bearing 1.8 m apart, find the dynamic load on each bearing when the shaft makes
300 rev/min.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

FOR FIG REFER ATTACHED FILE The shaft is massless. A thin attached triangular mass ‘m’ is mounted on the shaft. Rotational speed of the shaft is ω. Neglect weight effect of attached mass. Bearings are at A and B. Take Z- axis along the shaft axis. X- axis is vertically downward. Y – axis is horizontal. Take origin at mid-point on the shaft. Question: Rotate the shaft by 90 degrees and write the bearing reactions at A and B.
P5/ The wheel of metor Cycle and the engine parts have antoment of inertia 2-5 kg.m? and o 15 Kg.m² respectively The axis of rotation of the engine erank Shaft is parallel to that of the road wheels-If the gear ratio is 5:1 and the diameter o f the read whels is o.65 m, find the magnitude and direction of the gyroscopic Couple when the motor Cycle rounds a eurve of Bom radius at l6 m/s.
Figure 5 shows a lever ABC pivoted at B and having a mass of 6 kg and a grinding radius of 75 mm at B. The lever GDF has a uniform section pivoted at G and has a mass of 1.2 kg. It carries a mass of I kg in F. The ECD chain has a mass of 1 kg and always moves on a vertical axis. It carries a mass of 1kg in E. K1 and K2 spring has a constant of 400 N/m and 1 kNm. Find the natural E K, 50 mm B C A K2 200 mm 300 mm 50 mm G F 350 mm 100 mm frequency of the system. Ignore all pendulum effects. [Ans: 14.68 rad/s]
The equation of the turning moment diagram for the three crank engine is given by:where θ radians is the crank angle from inner dead cen?tre. The moment of inertia of the flywheel is 400 kg-m2 and the mean engine speed is 300 r.p.m. Calculate the power of the engine and the total percentage fluctuation of speed of the flywheel, if 1. The resisting torque is constant, and 2. The resisting torque is (25 000 + 3600 sin θ ) N-m.
i need the answer quickly
Draw free-body diagrams of the two gears, assuming an input couple M on theOUT X shaft of the larger gear in the direction shown. Include forces at bearings A, B, D and E. M isthe reaction couple at the output shaft - i.e. the resistance to turning of the object being driven.The gears have 48 and 24 teeth respectively. If the input gear (large gear) turns at 100 rpm(= revolutions per minute), the output speed (small gear) is _______rpm.Wil OUT X IN Xl M be larger or smaller than M ?
The pitch circle diameter of the smaller of the two spur wheels which mesh externally and haveinvolute teeth is 100 mm. The number of teeth are 16 and 32. The pressure angle is 20° and theaddendum is 0.32 of the circular pitch. Find the length of the path of contact of the pair of teeth.
VA shaft have three eccentrics, each 75 mm diameter and 25 mm thick, machined in one piece with the shaft. The central planes of the eccentric are 60 mm apart. The distance of the centers from the axis of rotation are 12 mm, 18 mm and 12 mm and their angular positions are 120° apart. The density of metal is 7000 kg/m. Find the amount of out-of-balance force and couple at 600 rpm. If the shaft is balanced by adding two masses at a radius 75 mm and at distances of 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.
The equation of the turning moment diagram for the three crank engine is given by: T(N.m) =25000 - 7500 sin 3theta where θ radians is the crank angle from inner dead cen?tre. The moment of inertia of the flywheel is 400 kg-m2 and the mean engine speed is 300 r.p.m. Calculate the power of the engine and the total percentage fluctuation of speed of the flywheel, if 1. The resisting torque is constant, and 2. The resisting torque is (25 000 + 3600 sin θ ) N-m.
A. Assume a=0.3,b=1 m: Find the mathematical expression that relates the turning angle of the inner wheel with respect to the angle of the outer wheel for the range of motion in which the outer wheel turns less than 35°. Considering that the goal of the mechanism is to avoid slipping, find the ideal angle expression that the inner wheel should have for each state found in the previous point. Compare these ideal angles with those obtained in point 1 and determine the error between both angles.
is the wheel provided with a series of backward curved vanes. Select one: O a. Spiral casing O b. Cam O c. Impeller O d. Rotor
Will upvote if answered in 10-15 mins