8. A block is resting on a platform that is rotating at an angular speed of 2.0 rad/s. The coefficient of static friction between the block and the platform is 0.69. Determine the smallest distance from the axis at which the block can remain in place without skidding as the platform rotates.

Q: 4) A figure skater rotating at 5.00 rad/s with arms extended has a moment of inertia of 2.25 kg-m².…

A: According to the law of the conservation of the angular momentum, which state that when net external…

Q: 5) Which body rolls down the incline fastest ? A. thin-walled hollow cylinder B. hollow sphere C.…

A:

Q: 1) If a force of 12 N is applied tangentially to the rim of a 25-cm-radius disk-shaped wheel that…

A: Given, Tangential force = 12 N Radium of rim= 25 cm mass =2.0 Kg

Q: A toy top with a spool of diameter 5.0 cm has a moment of inertia of 3.0x10-5 kg ⋅ m2 about its…

A: Given Data: The diameter of a toy top is, d=5.0 cm The moment of inertia is, I=3×10-5 kgm2 The force…

Q: 9. A 1.4-kg 15-cm-diameter solid sphere is rotating about its diameter at 70 rev/min. (a) What is…

A:

Q: The crank arm of bicycle pedal is 16.5 cm. If a 52kg woman puts all her weight on the pedal, how…

A: Torque = Force × distance

Q: 1. A flywheel in the form of s solid disk begins to rotate uniformly from rest to its final angular…

A: The angular acceleration of a flywheel is given by : Where and are final and initial angular…

Q: 6. The angular velocity of a flywheel decreases uniformly from 1000 rpm to 400 rpm in 5s. How many…

A:

Q: In a lab experiment, a student brings up the angular speed of a flywheel to 50 rpm.  She then allows…

A: Given: Initial angular speed of flywheel, ωi = 50 rpm Final angular speed, ωf = 0 Total number of…

Q: An object has a moment of inertia of 184 kg-m². A torque of 84 N-m is applied to the object. What is…

A: Given data:  Moment of inertia (I) = 184 kg.m2 Torque (τ) = 84 N.m Required: The angular…

Q: A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above…

A:

Q: Q3: A flywheel rotates with a constant retardation due to braking. From t = 0 tot = 10 seconds, it…

A: Here we have to use equation of motion  Time taken (t=10 sec) Number of revolution made (N=400 rev…

Q: A sphere with a radius of 5 cm that spins at 2.50 flattens into a disk with a radius of 8 cm. How…

A:

Q: 17. Three point particles are attached to a disc which is initially rotating with w; = 2.4 rad/s at…

A:

Q: A merry-go-round of radius 1.1 meters and mass 1400 kg is initially at rest. A person applies a…

A:

Q: 1. The rotating blade of a blender turns with aconstant angular acceleration 1. 50[rad/s²]. C. What…

A: Constant angular acceleration of the blade α=1.5 rad/s2, distance of ant from axis of rotation r=10…

Q: 1. A bar on a hinge starts from rest and rotates with an angular acceleration a = 5+ 10t, where a is…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3. A mass m = 0.400 kg hangs from the rim of a wheel of radius r = 0.15 m via a rope wound around…

A:

Q: 1. A spool of wire has a radius of 0.40 m and mass of 4.0 kg. If you pull the wire with a 20.0 N…

A:

Q: The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional…

A:

Q: You are installing a new spark plug in your car, and the manual specifies that it be tightened to a…

A:

Q: 2. A vehicle is slowing down at a rate of 2.5 m/s². If the tires of radius 0.30 m have initial…

A: As per guide lines first 3 sub part is solved, kindly post the remaining as new question.

Q: 5. A car m = 1230. kg has wheels with a radius R = 0.230 m. The car starts at rest and the wheels…

A:

Q: 6. What is the torque about the shoulder if the arm is held in an abducted position at 60° from the…

A: Given data

Q: **38. A quarterback fires off a pass with the football traveling at a speed of 20 m/s and with a…

A: Consider the mass of the football be m, the translational speed of the football be v, the rotational…

Q: 14) disk to accelerate at 5.7 rad/s2. What is the mass of the disk? A torque of 12 N. m is applied…

A:

Q: Divers change their body position in midair while rotating about their center of mass. In one dive,…

A:

Q: Question 1. Four identical particles, each with mass m, are arranged in the x, y lane as shown. They…

A: M1, M2, M3  and M4 are identical with M= 4 kg.....(given)x and y are the reference axis from where…

Q: ** 38. A quarterback fires off a pass with the football traveling at a speed of 20 m/s and with a…

A:

Q: F1 = 95 N F2 = 75 N axis of rotation r r

A: Torque (T) = 45 Nm  F1= 95N  F2= 75N

Q: 13. The moment of inertia of a body does not depend on its ____________.   a. mass b. size c.…

A: Given the following options we have to tell on which moment of inertia of a body does not depend

Q: A car accelerates uniformly from rest and reaches a speed of 22.4 m/s in 8.92 s. Assume the diameter…

A: Given data: Speed, v=22.4 m/s Time taken, t=8.92 s Diameter, d=57.8 cm=0.578 m Radius, r=0.578…

Q: 5. A large grinding wheel in the shape of a solid cylinder of radius r = 0.330 m is free to rotate…

A:

Q: 1. A turntable with a rotational inertia of 0.50 kg m? and a radius of 0.40 meters is subjected to a…

A:

Q: With the aid of a string, a gyroscope is accelerated from rest to 27.4 rad/s in 0.440 s. What is its…

A:

Q: 9. A figure skater with outstretched arms spins with an initial rotation rate of 1.0 rev every 1.2…

A:

Q: 6. A 2.5-kg 11-cm-radius cylinder, initially at rest, is free to rotate about the axis of the…

A:

Q: 1. A spinning ice skater on extremely smooth ice is able to control the rate at which she rotates by…

A: Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: 12) Constant Angular Acceleration: How long does it take for a rotating object to speed up from 15.0…

A: Initial angular speed w = 15 rad / s final angular speed w ' = 33.3 rad / s Change in angular speed…

Q: QUESTION 1 A 4.50-kg wheel rotates through an angle of 13.8 rad as it slows down uniformly from 22.0…

A:

Q: 10. An object initially at rest starts rotating with a constant angular acceleration. If this object…

A:

Q: 2. A person is standing on a rotating platform with hands at his side. The rotation rate of the…

A: Conservation of Angular MomentumThe law of conservation of angular momentum states that if there is…

Q: A torque of 35.3 N · m is applied to an initially motionless wheel which rotates around a fixed…

A: GivenTorque applied, τ=35.3 NmInitial angular velocity, ωi=0 rad/sFinal angular velocity, ωf=10.1…

Q: (1) A 5 kg ball that has an equation for its rotational inertia of 0.5mr2 is initially at rest. The…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.