Homework Answers
ANSWERS :
a). The Velocity of Load - L = 25 mm / sec.
b). The Velocity of Pulley - B, with respect to Load - L = 50 mm / sec.
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The motor M reels in the cable at a constant rate of 100 mm/s. determine a)...
The cable C of the pulley in Figure Q5 has initial velocity of 350 mm/s and...
The cable C of the pulley in Figure Q5 has initial velocity of
350 mm/s and constant
acceleration of 275 mm/s2 that directed to the right. The inner
radius of pulley that
connected to the cable C is 80 mm while the radius of the outer
pulley that connected
to the load B is 115 mm.
(a) Find the number of revolution when ? = 5 s.
(b) Calculate the velocity and change in position of the load B
after...
Q7 (a): For the problem above, determine the equivalent stiffness of the cable (spring constant) in N/m. 100 kg, l1-27 m, 12-27.070 m, x0 -27 mm, Take m Initial velocity, xo 36 mm/s QUESTION 9 Q7...
Q7 (a): For the problem above, determine the equivalent stiffness of the cable (spring constant) in N/m. 100 kg, l1-27 m, 12-27.070 m, x0 -27 mm, Take m Initial velocity, xo 36 mm/s QUESTION 9 Q7 (b): For the above problem, determine the amplitude of the vibration response of the given system, .in mm. n-31.321 rad/s. Take x0-30 m m. Initial velocity, xo-24 mm's and
Q7 (a): For the problem above, determine the equivalent stiffness of the cable (spring constant)...
Problem (3) A motor M and a frictionless pulley-cable system are used to lift the 850...
Problem (3) A motor M and a frictionless pulley-cable system are used to lift the 850 lb crate shown at a constant acceleration. The motor has an efficiency of E = 0.6 and the input power to it is 92 hp at the instant when the load has been hoisted s = 15 ft starting from rest. Determine the tension force in the cable. Neglect the mass of the pulleys and cable.
Chapter 6, Problem 6/160 The motor at B supplies a constant torque M which is applied...
Chapter 6, Problem 6/160 The motor at B supplies a constant torque M which is applied to a 395-mm-diameter internal drum around which is wound the cable shown. This cable then wraps around a pulley which has a mass of 86 kg and is attached to a cart which has a mass of 120 kg carrying 515 kg of rock. The motor is able to bring the loaded cart to a cruising speed of 2.7 m/s in 5 seconds. What...
A laboratory freight elevator, including its load, has a mass of 500 kg. It is prevented...
A laboratory freight elevator,
including its load, has a mass of 500 kg. It is prevented from
rotating by the track and wheels mounted along its sides. The
elevator is used to carry highly sensitive equipment so it cannot
exceed an acceleration of 3 m/s2 . A geared motor is used with the
cable/pulley system shown below to raise and lower the elevator.
The motor turns gear A with a constant angular acceleration, αA.
The gears of the motor have...
The shaft of the motor M turns with an angular velocity w=100(4+t) rad/s, where t is...
The shaft of the motor M turns with an angular velocity w=100(4+t) rad/s, where t is in seconds. (Figure 1) Figure < 1 of 1 > mmc 30 mm 50 mm 225 mm 40 mm м w Part A Determine the distance the load W is lifted in t = 2.5 s using the hoist. Express your answer to three significant figures and include the appropriate units. ? : HÅR sw = Value O a Units Submit Previous Answers Request...
In the figure below, a motor winds in the cable with a constant acceleration, such that...
In the figure below, a motor winds in the cable with a constant acceleration, such that the 10-kg crate moves a distance s = 3 min 3 seconds, starting from rest. (vo = 0). The coefficient of kinetic friction between the crate and the plane is Mk = 0.3. M A 30° Determine the tension T developed in the cable.
The 300 kg mine cart is hoisted up the incline using the cable and motor, M....
The 300 kg mine cart is hoisted up the incline using the cable
and motor, M. The force in the cable is F= (300t)N, where t is in
seconds. The initial velocity is 3 m/s at s=3 and t=0. Determine
the velocity when t=3 seconds. The angle of the incline is 35
degrees.
Chaptar 6, Problem 6/160 Th motor at 8 supplies a constant torque which is applied to...
Chaptar 6, Problem 6/160 Th motor at 8 supplies a constant torque which is applied to a 355-mm-diameter internal drum around whch is wound the cable shown. This cable then wraps around a pulley which has a mass of 90 kg and is attached to a cart which has a mass of 120 kg carrying 695 kg of rock. The motor is able to bring the loaded cart to a cruising speed of 1.5 m's in 2 seconds What torque...
2. The elevator shown in the figure moves downward with constant velocity of 5m/s. Determine a)...
2. The elevator shown in the figure moves downward with constant velocity of 5m/s. Determine a) the velocity of the cable "C b) the velocity of the counterweight "w" c) the relative velocity of the cable C with respect to the elevator d) the relative velocity of the counterweight W" with respect to the elevator
The cable C of the pulley in Figure Q5 has initial velocity of
350 mm/s and constant
acceleration of 275 mm/s2 that directed to the right. The inner
radius of pulley that
connected to the cable C is 80 mm while the radius of the outer
pulley that connected
to the load B is 115 mm.
(a) Find the number of revolution when ? = 5 s.
(b) Calculate the velocity and change in position of the load B
after...
Q7 (a): For the problem above, determine the equivalent stiffness of the cable (spring constant) in N/m. 100 kg, l1-27 m, 12-27.070 m, x0 -27 mm, Take m Initial velocity, xo 36 mm/s QUESTION 9 Q7 (b): For the above problem, determine the amplitude of the vibration response of the given system, .in mm. n-31.321 rad/s. Take x0-30 m m. Initial velocity, xo-24 mm's and
Q7 (a): For the problem above, determine the equivalent stiffness of the cable (spring constant)...
Problem (3) A motor M and a frictionless pulley-cable system are used to lift the 850 lb crate shown at a constant acceleration. The motor has an efficiency of E = 0.6 and the input power to it is 92 hp at the instant when the load has been hoisted s = 15 ft starting from rest. Determine the tension force in the cable. Neglect the mass of the pulleys and cable.
Chapter 6, Problem 6/160 The motor at B supplies a constant torque M which is applied to a 395-mm-diameter internal drum around which is wound the cable shown. This cable then wraps around a pulley which has a mass of 86 kg and is attached to a cart which has a mass of 120 kg carrying 515 kg of rock. The motor is able to bring the loaded cart to a cruising speed of 2.7 m/s in 5 seconds. What...
A laboratory freight elevator,
including its load, has a mass of 500 kg. It is prevented from
rotating by the track and wheels mounted along its sides. The
elevator is used to carry highly sensitive equipment so it cannot
exceed an acceleration of 3 m/s2 . A geared motor is used with the
cable/pulley system shown below to raise and lower the elevator.
The motor turns gear A with a constant angular acceleration, αA.
The gears of the motor have...
The shaft of the motor M turns with an angular velocity w=100(4+t) rad/s, where t is in seconds. (Figure 1) Figure < 1 of 1 > mmc 30 mm 50 mm 225 mm 40 mm м w Part A Determine the distance the load W is lifted in t = 2.5 s using the hoist. Express your answer to three significant figures and include the appropriate units. ? : HÅR sw = Value O a Units Submit Previous Answers Request...
In the figure below, a motor winds in the cable with a constant acceleration, such that the 10-kg crate moves a distance s = 3 min 3 seconds, starting from rest. (vo = 0). The coefficient of kinetic friction between the crate and the plane is Mk = 0.3. M A 30° Determine the tension T developed in the cable.
The 300 kg mine cart is hoisted up the incline using the cable
and motor, M. The force in the cable is F= (300t)N, where t is in
seconds. The initial velocity is 3 m/s at s=3 and t=0. Determine
the velocity when t=3 seconds. The angle of the incline is 35
degrees.
Chaptar 6, Problem 6/160 Th motor at 8 supplies a constant torque which is applied to a 355-mm-diameter internal drum around whch is wound the cable shown. This cable then wraps around a pulley which has a mass of 90 kg and is attached to a cart which has a mass of 120 kg carrying 695 kg of rock. The motor is able to bring the loaded cart to a cruising speed of 1.5 m's in 2 seconds What torque...
2. The elevator shown in the figure moves downward with constant velocity of 5m/s. Determine a) the velocity of the cable "C b) the velocity of the counterweight "w" c) the relative velocity of the cable C with respect to the elevator d) the relative velocity of the counterweight W" with respect to the elevator
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