The 46-lb load is hoisted by the pulley system and motor M. The motor exerts a constant force of 32 lb on the cable. The motor has an efficiency of e = 0.71. (Eigure 1) Determine the power that must be supplied to the motor if the load has been hoisted s = 10 ft starting from rest. Express your answer using three significant figures. Vo AEO t ? vec P = hp Submit Request Answer < Return to Assignment Provide Feedback Figure < 1 of 1>

The 46-lb load is hoisted by the pulley system and motor M. The motor exerts a constant force of 32 lb on the cable. The motor has an efficiency of e = 0.71. (Eigure 1) Determine the power that must be supplied to the motor if the load has been hoisted s = 10 ft starting from rest. Express your answer using three significant figures. Vo AEO t ? vec P = hp Submit Request Answer < Return to Assignment Provide Feedback Figure < 1 of 1>

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 7.63P: The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The...

See similar textbooks

Similar questions

If spring is found to extend 20mm for each 2kg of mass, the defelaction of spring carrying a mass of 10kg is A)200mm B)1m C)0.1m D)10m
Determine the maximum force P that can be applied withoutcausing the two 50-kg crates to move. The coefficient of staticfriction between each crate and the ground is μs = 0.25.(Use g = 9.81 m/s2) Answer P=
1.A person is to be released from rest on a swing pulled away from the vertical by an angle of 20.0°. The two frayed ropes of the swing are 2.75 m long, and will break if the tension in either of them exceeds 355 N. (a) What is the maximum weight the person can have and not break the ropes? (b)If the person is released at an angle greater than 20.0°, does the maximum weight increase, decrease, or stay the same? (c)Solve in Newton Law, Conversation Law, and Work-Kinetic Theorem.
*8–60. Each block has a weight of 400 lb. Determine how far the force P can compress the spring until block B slips on block A. What is P for this to occur?
The system below is in balance. Assume that the maximum traction on the AB bar is 132.9 N, on the AC bar 263.8 N. Admit that a weight of 310 N is deposited in the box? For this scenario, select an alternative below that makes the correct prediction about this physical scenario: Mark the correct alternative 1)The system will remain in balance, because the maximum load that the box can withstand is approximately 355 N 2) The system will collapse, as the maximum load that the box can support is approximately 300 N; 3) The system will collapse, as the maximum load that the box can support is approximately 280 N; 4) The system will collapse, as the maximum load that the box can support is approximately 250 N; 5) The system will collapse, as the maximum load that the box can support is approximately 220 N;
The system below is in balance. Assume that the maximum traction on the AB bar is 132.9 N, on the AC bar 263.8 N. Admit that a weight of 310 N is deposited in the box? For this scenario, select an alternative below that makes the correct prediction about this physical scenario: Mark the correct alternative 1)The system will remain in balance, because the maximum load that the box can withstand is approximately 355 N 2) The system will collapse, as the maximum load that the box can support is approximately 300 N; 3) The system will collapse, as the maximum load that the box can support is approximately 280 N; 4) The system will collapse, as the maximum load that the box can support is approximately 250 N; 5) The system will collapse, as the maximum load that the box can support is approximately 220 N; Is the answer alternative 1 or 2?
The free body diagram below shows the forces acting on the bob when it spins at a rate such that it hangs vertically as shown. F⃗ s, F⃗ e and W⃗ are the force due to the string, the force due to the elastic band, and the weight of the bob respectively. Mark all the correct statements below. Select one or more: a. F⃗ e is the centripetal force b. F⃗ s+W⃗ =0 c. F⃗ e+W⃗ is the centripetal force d. F⃗ s+F⃗ e is the centripetal force
2. Determine the weight of block B for the 250N block A not to slidedown in the inclined plane. Given that the coefficient of staticfriction in the 45° inclined plane is 0.25 and in the 30° inclinedplane is 0.3. (Assume frictionless pulley)WB =
Determine the weight of block B for the 250N block A not to slidedown in the inclined plane. Given that the coefficient of staticfriction in the 45° inclined plane is 0.25 and in the 30° inclinedplane is 0.3. (Assume frictionless pulley) Answer: WB = _____________
Complete the derivation of Eq. (8.15), which relates the tension in both parts of a V belt.(Reference to Equation 8.15):
URGENT Collar A slides over the smooth vertical bar shown in the figure. The masses Wa = 10lbs and WB = 5lbs. When h = 0.12192m, the spring is unextended. When the system is in equilibrium, h = 0m. Determine the constant k of the spring. Note: The normal of the collar is 100 times its mass (that of the collar), remember that g = 32.16 ft/s2.
A block on an inclined plane at 43 degrees has a weight of 100 lb if fs = 0.50 and fk = 0.30, what force P directed up the plane will move the block with constant speed (a) up the plane (b) down the plane? Show full solution and FBD.