35. (II) Suppose the pulley in Fig. 4- 55 O is suspended by a cord C. Determine the tension in this cord after the masses are released and before one hits the ground. Ignore the mass of the pulley and cords. 1.2 kg 3.2 kg
Q: A jet aircraft is accelerating at 3.8 m/s² as it climbs at an angle of 18° above the horizontal…
A: Let the acceleration of the aircraft will be ‘a’, mass of the pilot be ‘m’, and the force exerted on…
Q: A box of mass 4.1 kg rests on a frictionless inclined plane which is at an angle of e = .9. to the…
A: Angle in the question reads 0.9°, so I have solved using this value. If it is different than this…
Q: 2. If a piece of block weighing 150 kg is to be pulled up by a which causing 2 cables on a 25°…
A: Given:- Mass of the block m= 150 kg inclined plane at an angle of 25 o The coefficient of…
Q: When a car stops suddenly, the passengers tend to move forward relative to their seats. Why? When a…
A: When the car stops suddenly, the inertia of motion changes to inertia of rest and then the…
Q: 4-Abox is pushed along the floor by a force of 40 nt. making an angle of 30° with the horizontal…
A:
Q: A plum bob hangs from the roof of a railway coach. What angle will plum line make with vertical when…
A:
Q: 2-12) Three forces act on the bracket. Determine the magnitude and direction (0) of (F1) so that the…
A: F2→ = 450×[ cos45oi^ + Sin45oj^] N = 318.2i^ + 318.2j^ N F3→ = 200 i^ N Fr→ = 1000 [Cos30o i^ -…
Q: When an object falls freely under the influence of gravitythere is a net force mg exerted on it by…
A:
Q: 2-93. If F = 560 N and Fc 700 N, determine the magnitude and coordinate direction angles of the…
A:
Q: Suppose m1 = 4.5 kg and there is no friction between m2 and the ramp. What would the mass m2 have to…
A:
Q: A box weighing 150.0N is on a horizontal floor. The coefficients of friction are 0.40 (static) and…
A:
Q: 3-9. Determine the maximum force F that can be supported in the position shown if each chain can…
A:
Q: 2-14. The component of force F acting along line aa is required to be 30 lb. Determine the magnitude…
A:
Q: 4-26 Determine tensionT for pulley system. Show FBD. I Fy= 0 5T= 200 T= 40/b 2001b
A: Given: The weight of the object is 200 lb. The free-body diagram is given below.
Q: According to Newton’s third law, each team in a tug of war(Fig. ) pulls with equal force on the…
A:
Q: 2. A 2.5- kg toy car is being pulled by a boy using a string that makes an angle of 20° with the…
A: Given:- Mass of the toy car is m=2.5 kg Angle θ=20° Coefficient of friction is μ=0.5 Force exerted…
Q: An 18-kg child is riding in a child-restraint chair, securely fastened to the seat of a car (Fig.…
A:
Q: is higher the coeffecient of friction better? explain
A: The ratio of the frictional force preventing motion of two surfaces in contact to the normal force…
Q: A block of mass 40 kg.accelerate with the 3 m/s^2 by the horizontal force F and the coefficient of…
A: We know that the newton's second is given as Fnet= ma where m is the mass. a is the acceleration of…
Q: 2-91. Two forces act on the hook. Determine the magnitude of the projection of F, along F1. F= 600 N…
A: Given angles - α=120o (x-axis)β=60o (y-axis)γ=45o(z-axis) Forces - F1=600 NF2=(120i+90j-80k)N…
Q: •51 GO Figure 5-47 shows two blocks connected by a cord (of negligible mass) that passės over a…
A:
Q: 1-21 Two particles have a mass of 8 kg and 12 kg, respectively. If they are 800 mm apart, detemine…
A:
Q: Determine the towing force F required to move the car if the back brakes are locked, and the front…
A: Given Data : The mass of the car is given as m = 1.9 kg.
Q: A 2.5 kg toy car is being pulled by a boy using a string that makes an angle of 20 0 with the…
A:
Q: Basking in the sun, a 1.10-kg lizard lies on a flat rock tilted at an angle of 15.0° with respect to…
A:
Q: m high. The coe
A: Given: To find the acceleration using the given values is shown as:
Q: 8. If the forces acting on the couple are in the same direction, that is they are not in the…
A: Couple A couple is two equal forces which act in opposite directs on an object but not through the…
Q: *2-4. The device is used for surgical replacement of the knee joint. If the force acting along the…
A: The following figure shows the required force’s components. The force F’s components along with Y’…
Q: In Fig. 5-14, the two boxes have identical masses of 40 kg. force with u =0.15. Find the…
A: Given,
Q: 5- Find the resultant of the following forces that make a point on a body, given that they are…
A:
Q: 11) When a body moves in a straight line with increasing speed, the net force on it must be…
A: From Newton’s second law of motion, the expression for the net force is:
Q: 2-55. Determine the magnitude of force F so that the resultant force of the three forces is as small…
A: To determine: Magnitude of the resultant force.
Q: If both the mass of the body and the force acting on it are doubled, then acceleration--
A: Given Initial mass m final mass m'=2m Initial Force F Final Force F'=2F
Q: # 3. If a bicyclist of mass 65 kg (including the bicycle) can coast down a 6.5° hill at a steady…
A:
Q: When you sit on a chair, the resultant force on you is ___. a. zero b. depending on your weight…
A:
Q: A ball weighning 100N is suspended from a system of chords. What are the tensions in the horizontal…
A: Tension on the angled cord is,
Q: 2-14. The component of force F acting along line aa is required to be 30 lb. Determine the magnitude…
A:
Q: Is it possible for an object to be in motion and yet have zero netforce acting on it? Explain
A: Sol. Yes this is possible because if the particle is move with constant velocity at that time…
Q: Soru 6 1900 An object of mass m-0.5 kg is suspended from the ceiling of an accelerating truck as…
A:
Q: *3-36. Cable ABC has a length of 5 m. Determine the position x and the tension developed in ABC…
A:
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 4 images
- 38. 39. FIGURE 4-53 40 Problems 32 and 33. mB Mass ma rests on a smooth horizontal surface; mg hangs istongi inioq le vertically. ni nworda algne 13.0 kg and mB = 5.0 kg in Fig. 4–53, 33. (II) (a) If mA determine the acceleration of each block. (b) If initially is at rest 1.250 m from the edge of the table, how long does it take to reach the edge of the table if the system is allowed to move freely? (c) If mB must ma be if the acceleration of the system is to be kept at 100 g? 1.0 kg, how large %3D(II) The cable supporting a 2125-kg elevator has a maximumstrength of 21,750 N. What maximum upward accelerationcan it give the elevator without breaking?4. [8pt] Assume the three docks (m1= 2 kg, m2 = 3 kg, m3=1 kg) portraye d in the ri ght F move on a frictionless surface and a force F = 30 Nacts as shown on the m3 bl ock. (a) Determ in e the accel era tion a for this system. a =(가) m/s? (b) Determ ine the tension in the cord connectina (c) Determine the cont adt force C exerted by bl ock m on bl ock m3. block and block m 3. T = (나) N C=(다) N (d) What If? How wou ld your answers to parts (a) and (b) of this podem dhange if block m2 was now stacked on top of the block m? Assume that block m2 sticks to and does not slide on dock m when the syst em is acceler ated. a =(라) m/s2 T = (마) N
- (III) Suppose the pulley in Fig. 4–55 is suspended by a cord C. Determine the tension in this cord after the masses are released and before one hits the ground. Ignore the mass of the pulley and cords. 1.2 kg 3.2 kg FIGURE 4-55 Problem 35.(d) When a = 4 m/s (towards the ground) w m(g-a) = 50 (10 - 4) = 500- 200 = 300 N oune %3D The rope will not break. The re The A ha Exercise 16.5 1. (a) State Newton's third law of motion. (b) Using examples, differentiate betweer action and reaction forces. 2. A driver jumps from a plane on an air cushion His speed is 24 m/s. The average force of the cushion on the body while he is being stopped is 9 400 N. If his mass is 70 kg, calculate the distance he will sink into the cushion. in 3. A man standing in a lift holds a spring balanc with a load of 5 kg suspended from it. What is the reading on the spring if the lift descending with an acceleration of 3.8 m/s? pplications of Newton's third w ome prastica situation(II) A 14.0-kg bucket is lowered vertically by a rope in which there is 163 N of tension at a given instant. What is the acceleration of the bucket? Is it up or down?
- (II) A 12.0-kg monkey hangs from a cord suspended fromthe ceiling of an elevator. The cord can withstand a tensionof 185 N and breaks as the elevator accelerates. Whatwas the elevator’s minimum acceleration (magnitude anddirection)?& » Q. A5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. To solve this problem vou must do -When an object falls freely under the influence of gravitythere is a net force mg exerted on it by the Earth.Yet byNewton’s third law the object exerts an equal and oppositeforceon the Earth.Does the Earth move?
- . (II) A flatbed truck is carrying a heavy crate. The coefficient of static friction between the crate and the bed of the truck is 0.75. What is the maximum rate at which the driver can decelerate and still avoid having the crate slideagainst the cab of the truck?(82) Shown below is a body of mass 1.0 kg under the influence of the forces F, F, and mg. If the body accelerates to the left at 20 m/s, what are F and F? 60° 30 mg[6] An airboat with mass 450 kg, including the passenger, has an engine that produces a net horizontal force of 970 N, after accounting for forces of resistance (see Fig. 4.7). (a) Find the acceleration of the airboat. (b) Starting from rest, how long does it take the airboat to reach a speed of 15.0 m/s? (c) After reaching that speed, the pilot turns off the engine and drifts to a stop over a distance of 80.0 m. Find the resistance force, assuming it's constant.