A small lightweight rocket is attached to a 8-kg disc that is initially at rest. The disc with a radius of 336 mm is connected to a frictionless stationary pivot O via a lightweight rod of length 1.47 metres (top view shown below). The rocked provides a constant 24.5 N force and remains perpendicular to the connecting rod. Assume the disc slides on a frictionless surface. Calculate the magnitude of the reaction force at pivot O 3.9 seconds after the rocket was fired. Give your answer in newtons and round the final answer to two decimal places. F

A small lightweight rocket is attached to a 8-kg disc that is initially at rest. The disc with a radius of 336 mm is connected to a frictionless stationary pivot O via a lightweight rod of length 1.47 metres (top view shown below). The rocked provides a constant 24.5 N force and remains perpendicular to the connecting rod. Assume the disc slides on a frictionless surface. Calculate the magnitude of the reaction force at pivot O 3.9 seconds after the rocket was fired. Give your answer in newtons and round the final answer to two decimal places. F

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Give a detailed Handwritten solution,If it is a Chatgpt answer i will report.
Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A loading car is at rest on a track forming an angle of 25° with the vertical when a force is applied to the cable attached at C. The gross weight of the car and its load is 5495 lb WG, and it acts at point G. Know the tension in the cable connected at C is 5000 lb Tc. Neglect friction between the car and the track. 24 in. 25 25.in. T 25 in. C B 30 in. Determine the distance the car moves in 20 s. (You must provide an answer before moving on to the next part.) The distance the car moves is I
Blocks A, B, and C are placed as in the figure(Figure 1) and connected by ropes of negligible mass. Both A and B weigh 25.0 N each, and the coefficient of kinetic friction between each block and the surface is 0.32. Block C descends with constant velocity. Figure B 36,9⁰ 1 of 1 C Part D What is the weight of block C? Express your answer in newtons. VE ΑΣΦ wc = Submit Part E a = Request Answer Submit If the rope connecting A and B were cut, what would be the acceleration of C Express your answer in meters per second squared. V ΑΣΦ Request Answer ? ? N m/s²
200lp box is at rest in the beginning on horizontal surface and force T=100lb and P applied shown. coefficient of static and kinetic friction is us= 0.3 and uk=0.2. find acceleration of block if p=100lb and p=250lb
1. The three blocks in the figure are initially moving together to the right. Blocks B and C have mass m and block A has mass 4m. DO NOT NEGLECT FRICTION IN THIS PROBLEM. (a) Draw and label a free body diagram for each block. (b) Identify all Newton's 3rd Law pairs that appear in your diagrams. A (c) Is the normal force on C by A greater than, less than, or equal to the frictional force on C by the ground? Explain your reasoning. C
All arms of porter governor are 18 cm long and hanged at a distance of 4 cm to axis of rotation. The mass of ball 2 kg, and the mass of sleeve 30 kg. Determine minimum radius of rotation and the friction force at the minimum speed of governor 5 r.p.s. when the upper arms are at an angle of 30°with vertical and the lower arms are at an angle of 25°with vertical.
Problem 1. Find the horizontal force magnitude P needed to start the motion of the block with mass mo in two scenarios: (a) when P is applied to the right and (b) when P is applied to the left. Develop a general solution for each scenario, and subsequently, substitute the values 0= 25°, m = mo = 2.5 kg, µs = 0.40, and μk = 0.35 into your expressions for evaluation. Hgs H k P (a) A mo 0 m P (b) B
HW8 The arms of a Porter governor are 310 mm long. The upper arms are pivoted on the axis of rotation. The lower arms are attached to a sleeve at a distance of 20 mm from the axis of rotation. The mass of the load on the sleeve is 95 kg and the mass of each ball is 10 kg. Determine the equilibrium speed when the radius of rotation of the balls is 220 mm. If the friction is equivalent to a load of 21 N at the sleeve, what will be the range of speed for this position and Sensitiveness of Governors?
A centrifugal clutch has four shoes, each of mass 0·35 kg. When at rest, the radialclearance between the shoes and the clutch drum is 15 mm and the radius to the centre ofgravity of the shoes is 225 mm. The shoes are held on retaining springs of stiffness 10kN/m and the internal diameter of the clutch drum is 600 mm. The coefficient of frictionbetween the drum and the shoes is 0·3.Determine:(a) The speed (in rev/min) at which the clutch starts to engage. For a rotational speed of 1200 rev/min:(b) The force each shoe exerts on the drum. (c) The torque transmitted. (d) The power transmitted.
Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator cab free-falls from a height of 34 m. During the collision at the bottom of the elevator shaft, a 90 kg passenger is stopped in 6.0 ms. (Assume that neither the passenger nor the cab rebounds.) (a) What is the magnitude of the impulse on the passenger during the collision? N's (b) What is the magnitude of the average force on the passenger during the collision? N Suppose the passenger were to jump upward with a speed of 6.5 m/s relative to the cab floor just before the cab hits the bottom of the shaft. Assume the same stopping time as above. (c) What is the magnitude of the impulse on the passenger during the collision? N•s (d) What is the magnitude of the average force on the passenger during the collision? N
loold Question 5 Given, at the instant 0 = 60°, the boy's center of mass G is momentarily at rest. The boy has a mass of 60 kg. Neglect his size and the mass of the seat and cords. Find: The boy's speed and the tension in each of the two supporting cords of the swing when 0 = 90°. %3D V : 5 .13 msnoio 10 ft T 373.25N den bavom et A nerk AV bnit HA nsrkw -G
Two boxes with masses mj = 8.5 kg and m2 = 3.0 kg are connected by an ideal rope over a pulley with mass M = 1.2 kg, as shoWn. There is friction between m2 and the ramp. The system is released from rest, causing m¡ to drop by a distance h = 2.9 m, at which point its speed is 4.65 m/s. What is the coefficient of kinetic friction between m, and the ramp?