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Q: A 18-kg rear hatch of a vehicle opens as shown in the figure and can be modeled as a uniform 0.6-m…

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Q: The uniform rod AB of weight W is released from rest when β = 70°. Assuming that the friction force…

A: Given data as per the question weight of bar AB = W Angle  β = 70° Drawing the system free body of…

Q: A homogeneous rectangular plate weighing 40 lb is suspended from two frictionless pins A and B. If…

A: (a) The free body diagram of a homogenous rectangular plate, when pin B is suddenly removed is given…

Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

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Q: The rotor of an electric motor has an angular velocity of 3600 rpm when the load and power are cut…

A: W=121 lb ∑MG=2.5lb.ft k=9in=0.75 ft N=3600rpm We need to find The number of revolutions

Q: The double pulley shown has a mass of 15 kg and a centroidal radius of gyration of 160 mm. Cylinder…

A: Let rA be the radius of the outer pulley and rB that of the inner pulley. Write the expression of…

Q: The 6-lb steel cylinder A of radius r and the 10-lb wooden cart B are at rest in the position shown…

A: Given data: Mass of cylinder A, mA = 6lb Mass of wooden cart, mB = 10 lb Distance between point A…

Q: Sphere A Mass m and radius r rolls without slipping with a velocity V1 on a horizontal surface when…

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Q: The uniform rod AB of weight W is released from rest when β = 70°. Assuming that the friction force…

A: Given data  A rod AB of weight W released at an angle 700  To determine a) The angular acceleration…

Q: The double pulley shown has a weight of 35.0 lb and a centroidal radius of gyration of 5.0 in.…

A: According to the given data W=35lb WA=25lb WB=16lb K=5in h=4ft μk=0.25 We need to find The velocity…

Q: The 30-kg uniform disk A and the bar BC are at rest and the 5-kg uniform disk D has an initial…

A: Given, mA=30 kgmD=5 kgN1=440 rpmN2=176 rpmrA=0.3 mrD=0.115 m The initial angular velocity of D is…

Q: A slender rod of length l and weight W is pivoted at one end as shown. It is released from rest in a…

A: Let's draw free body diagram of 'AB' From Work energy theorem Wall=∆K.Emg×l2=12Iω2…

Q: The 30-kg turbine disk has a centroidal radius of gyration of 175 mm and is rotating clockwise at a…

A: Given: The radius of gyration is kr = 175 mm. The weight of the blade is w = 0.5 N. The speed of…

Q: The uniform rectangular plate is released from rest in the position shown. Determine the maximum…

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Q: The rotor of an electric motor has an angular velocity of 3520 rpm when the load and power are cut…

A: Given: The angular velocity is N1=3520 rpm. The weight of the rotor is W=110 lb. The radius of…

Q: The uniform 4-kg cylinder A with a radius of r = 150 mm has an angular velocity of w0 = 50 rad/s…

A: Given data

Q: A disk with mass m and radius R is released from rest at a height h and rolls without slipping down…

A: The disc rolls without slipping.

Q: 4) The homogeneous rod AB weighs 96.6 lb and is at rest in the vertical position when an impulsive…

A: The weightof AB rod is The length of rod is The impulse applied at B is The time interval is

Q: The 80-mm-radius gear shown has a mass of 5 kg and a centroidal radius of gyration of 60 mm. The…

A: Given: The radius of the gear is r=80 mm=0.08 m. The length of AB is L= 320 mm=0.320 m. The mass of…

Q: Two disks of the same material are attached to a shaft as shown. Disk A has a radius r and a…

A: To find  The value of n Given  The radius of disk A ra is r. The thickness of disk A  ta is 2b. The…

Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

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Q: A bullet of mass m is fired with a horizontal velocity v0 and at a height h = ½ R into a wooden disk…

A: Given data The velocity of the bullet is v0. The height of the bullet from the surface is h=R2 The…

Q: Each of the gears A and B has a mass of 675 g and a radius of gyration of 40 mm, while gear C has a…

A: Given data: Mass of gears A & B = 675 g                    Radius of gyration of gears A & B…

Q: Dynamic Problem, reply as soon as posible. The double pulley system weighs 30 lbs. and has a…

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Q: A bullet weighing 0.08 lb is fired with a horizontal velocity of 1800 ft/s into the lower end of a…

A: Given data Wb=0.08 lbVbh=18 ft/secWr=15 lbL=30 inh=12 in

Q: The rotor of an electric motor has an angular velocity of 3600 rpm when the load and power are cut…

A: Consider the flywheel as a rigid body and hence for a rigid body. Here,  is moment of all the…

Q: The rotor of an electric motor has an angular velocity of 4500 rpm when the load and power are cut…

A: Given data: -  The speed of the rotor of an electric motor is N = 4500 rpm. The mass of rotor is M…

Q: The 1.5-kg uniform slender bar AB is connected to the 3-kg gear B that meshes with the stationary…

A: Angular Velocity:- How fast an object can rotate or maybe revolving around another point with time…

Q: A bar of mass m = 5 kg is held as shown between four disks each of mass m’ = 2 kg and radius r = 75…

A: Given: The mass of bar, m = 5 kg The mass of each disk, m' = 2 kg The radius of the disk, r = 75 mm…

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.