Three forces are applied on a triangular plate. Assume F, = 5.3 N, F = 6.0 N, F3 = 4.5 N. If the rotational inertia about point O of the plate is 4.7 kgm, find the angular acceleration in rad/s of the plate about the point O. 30° 1.00 m 0.60 m F2 B 0.80 m 45° 0
Q: A ball (mass = 8.5 kg) is rolling at a constant angular acceleration of 1.670 rad/s2. If its…
A: According to the rotational kinematics equation, the angular displacement of the particle is,…
Q: R2 RD Rotation axis (hrw8c10p54) A cylinder having a mass of 12.0 kg can rotate about its central…
A:
Q: N, F2 = 9.1 N, F3 = 2.4 N. ind the angular accelerat
A: Given: F1=6.5 N F2=9.1 N F3=2.4 N The rotational inertia about point O is I0=5.6 kg m2
Q: O 6,474° radians clockwise O 7,277 radians counter-clockwise O 7,277 radians clockwise
A:
Q: A medical saw is rotating at a constant rate of 15 revolutions per second. Calculate its angular…
A: Given value--- angular speed = 15 revolution per sec. We have to find--- angular speed in rad per…
Q: A 2.5 kg disk of radius 0.25 m is free to rotate about an axis at its center. What force, exerted…
A:
Q: A child of mass 54.3 kg sits on the edge of a merry-go-round with radius 2.2 m and mo- ment of…
A:
Q: A potter's wheel is a uniform disk of mass 10.0 kg and radius 20.0 cm. The wheel initially rotates…
A: The following problem involves the concepts of rotational mechanics. Initially the wheel has a…
Q: The 60.1cm diameter disk rotates counterclockwise on an axle through its center. F1=17.5N, F2=43.2N,…
A:
Q: The rotational inertia of a disk about its axis is 5.3kg.m^2. When a 7.1 kg weight is added to its…
A:
Q: A disk with moment of inertia 7.3 kg m^2 spins at 19 rad/s about its center axis. If a brake exerts…
A: Given : Moment of inertia, I = 7.3 kg m2 Angular velocity, ω = 19 rad/s Force, F = 80 N…
Q: ent of inertia of 16 kg m². As it turns through 2.0 rev, its angular velocity increases from 7.0…
A: Moment of inertia of object is Initial angular velocity is Final angular velocity is Angular…
Q: A wheel starts from rest and has an angular acceleration of 4.0 rad/s². When it has made 11 rev, its…
A:
Q: A ballet student with her arms and a leg extended spins with an initial rotational speed of 2.0…
A:
Q: The disk, which has a mass of 27 kg, is subjected to the couple moment of M = (1.7θ + 4.5) N m,…
A:
Q: A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the…
A: Net torque acting on the solid metal disk is τnet=r1F1+r2F2-r3F3=0.5 m×18 N+1.0 m×15 N-0.5 m×20 N=14…
Q: A solid cylinder has a mass of 1 kg and a radius of 0.1 m. Starting from rest, the cylinder rolls…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: The rotational inertia of a disk about its axis is 2.9kg.m^2. When a 5.2 kg weight is added to its…
A: Given data: Initial rotational inertia of the disk I0 = 2.9 kg.m2 Mass (m) = 5.2 kg Distance from…
Q: A skater is spinning about a fixed symmetrical vertical axis. When she lifts her arms above her…
A:
Q: A force F = 287 N is applied to the outside of a small merry-go-round. If the merry-go-round is well…
A: τ=Iαd2F=md222αdF2=md2α8α=4Fmd
Q: A skater is initially spinning at a rate of 19.0 rad/s with a rotational inertia of 3.30 kg·m2 when…
A: The objective of the question is to find the final angular velocity of the skater after she pulls…
Q: The 22-cm-diameter disk pictured can rotate on an axle through its center. What is the net torque…
A:
Q: A 3.5-kg uniform solid disk of radius 350 cm rolls down a slope without slipping. If its elevation…
A: Using conservation of energy : KErotational + KE translational = PE KE rotational = 12Iω2 ω=vR I…
Q: In a downtown office building, you notice each of the four sections of a rotating door has a mass of…
A: Mass of each door m= 80 KgAngular acceleration α=0.500 rad/s2Applied Force F=66 N
Q: A fan blade is rotating with a constant angular acceleration of + 9.9 rad/s². At what point on the…
A:
Q: The 22-cm-diameter disk in figure can rotate on an axle through its center.What is the net torque…
A: Introduction: 1) Torque is simply a measure of component of force that cause an object to rotate…
Q: A figure skater performs a twisting jump. She rotates around her longitudinal axis 2 times in 0.65…
A: Given data: Angular displacement (Δθ) = 2 rev Time (t) = 0.65 s Required: The average angular…
Q: A solid cylindrical disk has a radius of 0.12 m. It is mounted to an axle that is perpendicular to…
A: Given that, Applied force(F)= 40 N Radius (R)= 0.12 m Angular acceleration (α)= 100 rad/s² Let m be…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Two masses m1 3.2 kg and m2 1.6 kg hang from a pulley as shown in the figure. The moment of inertia through the axis of rotation passing through the center of the pulley is I = 2 kg m². The ropes holding the masses are attached to opposite sides of the pulley at a radius R = 0.5 m from the center of the pulley. R T1 T2 mị m2 Find the magnitude of the angular acceleration a of the pulley system. Pick the correct answer 4.9 rad/s? ,2 7.4 rad/s? 2.5 rad/s? -7.4 rad/s? 9.8 rad/s? 15A wheel of radius 0.447 m is mounted on a frictionless horizontal axis. The rotational inertia of the wheel about the axis is 0.0458 kg-m2. A massless cord wrapped around the wheel is attached to a 3.00 kg block that slides on a horizontal frictionless surface. If a horizontal force of magnitude P = 2.91 N is applied to the block as shown in the figure, what is the angular acceleration of the wheel? Take the clockwise direction to be the negative direction and assume the string does not slip on the wheel.Chapter 10, Problem 057 GO A pulley, with a rotational inertia of 7.7 x 104 kg-m2 about its axle and a radius of 12 cm, is acted on by a force applied tangentiallý at its rim. The force magnitude varies in time as F = 0.80t + 0.30t, with F in newtons and t in seconds. The pulley is initially at rest. At t = 3.8 s what are (a) its angular acceleration and (b) its angular speed? (a) Number Units (b) Number Units Click if you would like to Show Work for this question: Open Show Work
- 11.2A student, sitting on a stool rotating at a rate of 38 RPM, holds masses in each hand. When his arms are extended, the total rotational inertia of the system is 7.5 kg · m2. He pulls his arms in close to his body, reducing the total rotational inertia to 4.5 kg · m2. If there are no external torques, what is the new rotational velocity of the system? RPM?M, a solid cylinder (M=2.27 kg, R=0.131 m) pivots on a thin, fixed, frictionless bearing. A string wrapped around the cylinder pulls downward with a force F which equals the weight of a 0.750 kg mass, i.e., F = 7.357 N. Calculate the angular acceleration of the cylinder. R M F
- What is the magnitude force needed to put the object into rotational equilibrium? a) for figure C? b)for figure D? c) for figure E? d)Which of all these figures is in translational equilibrium as well?What is the angular speed in revolutions per minute (rpm) of a 16.9 g CD with a rotational period of 141 seconds? A 0.374 rpm B 0.213 rpm C 0.553 rpm D 0.511 rpm E 0.426 rpmA uniform disk of radius 0.491 m and unknown mass is constrained to rotate about a perpendicular axis through its center. A ring with the same mass as the disk is attached around the disk's rim. A tangential force of 0.229 N applied at the rim causes an angular acceleration of 0.115 rad/s². Find the mass of the disk. mass of disk: 3.08 kg
- The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant rate as the platform moves through an angle Δθ = 5.5 radians. The platform has a radius of R = 12 cm. Calculate the angular acceleration of the platform α in rad/s2.A fan blade is rotating with a constant angular acceleration of +9.6 rad/s?. At what point on the blade, as measured from the axis of rotation, does the magnitude of the tangential acceleration equal that of the acceleration due to gravity? r = iA 1.756-kg sphere of radius 0.31 m is rotating about an axis through its center at 24.843 rev/s with the angular velocity in the +z direction. A torque 11.573N∙m acts on the sphere about the center of the sphere in the +x direction. What is the angular acceleration, in rad2/s, of the sphere? (Isphere = 2/5 MR2)