Figure below shows a rod that is free to rotate about its center of mass. A force F, = 20 N is d, = 4 m from the COM and another force F, = 11 N is applied at d, = 4m from the COM, as The magnitude of the total torque about the axis of rotation is: %3D %3D F1 COM 300

Figure below shows a rod that is free to rotate about its center of mass. A force F, = 20 N is d, = 4 m from the COM and another force F, = 11 N is applied at d, = 4m from the COM, as The magnitude of the total torque about the axis of rotation is: %3D %3D F1 COM 300

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 23P: Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b...

See similar textbooks

Related questions

Q: A uniform door weighs 51.00 N and is 1.100 m wide and 2.400 m high. What is the magnitude of the…

A: Given data: The weight of the door is W=51 N. The height of door is h=2.4 m. The width of the door…

Q: The same force F is applied to the edge of 2 hoops, as shown. Bother have the same uniform mass…

Q: 5. (8 pt) Balls are attached to light rods and can move in horizontal circles as shown in the…

A: In the 1st figure angle between r and F =90degree.so Torque1 =rFsin90°=rF. In the 2nd figure angle…

Q: poA bicycle pedal is pushed straight downwards by a foot with a 36 Newton force. The shaft of the…

Q: Force F = (-8.7N)î+(4.4N)) acts on a particle with position vector r = (4.2 m) i + (8.4 m)j. What…

A: Given : Force, F→ = (-8.7 N)i^ + (4.4 N)j^ Position vector, r→ = (4.2 m)i^ +(8.4 m)j^

Q: 35 N 28 N 135 12 cm 24 cm 18 N

Q: A thin rod (seesaw) has length L m and mass M kg. It is resting at an angle of 30° with respect to…

Q: Three particles which are alike and each have mass M, are attached to a massless stick of length L,…

A: Given data: Mass of particles = M Distances from the axis of rotation r1 = 0, r2 = L/2 and r3 =…

Q: A flywheel (2= 72 kg-m2) starting from rest acquires an adqular velocity of 209.3 rad/s while…

Q: For questions 1- 3: 4N 8N A wooden square of side length 1 m is on a horizontal tabletop and is free…

A: Solution:-Given thatside length of the wooden square (a)=1 m

Q: An object that is initially at rest begins to rotate under a constant angular acceleration of 2.01…

A: The angular acceleration of an object α=2.01 rad/s2. The angular displacement of the object θ=240…

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…

Q: The angular velocity of a spinning body points out of a page. Which way is the body spinning (when…

Q: A student holds a bike wheel and starts it spinning with an initial angular speed of 7.0 rotations…

Q: A uniform rod of length 10 m and mass 2.0 kg is pivoted about its center of mass O. Two forces of 10…

Q: 12.0 N 30.0% b 10.0 N 9.00 N The figure shows one cylinder inside another. The inner cylinder has a…

Q: Britney Spheres. A solid sphere with mass 5.47 [kg] and diameter 10.7 [m] experiences a net torque…

A: Given that the mass of the solid m=5.47 kg And its diameter is d=10.7m Torque experienced by the…

Q: 8. Calculate the torque vector of the following force (N) and position (m) vectors: 7 = 5î + 10j; F…

A: Given data: (a) The position vector is, r →= 5i^ + 10j^ The force vector is, F→ = 5i^ + 10j^ (b) The…

Concept explainers

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.

Question

Figure below shows a rod that is free to rotate about its center of mass. A force F, = 20 N is applied at
d, = 4 m from the COM and another force F, = 11 N is applied at d, = 4 m from the COM, as shown.
The magnitude of the total torque about the axis of rotation is:
%3D
%3D
%3D
%3D
F1
COM
300
a. 91.3 Nm
b. 47.3 Nm
c. 78.1 Nm
d. 1.9 Nm.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b = 25.0 cm. Figure P10.23
Suppose you exert a force of 180 N tangential to a 0.280-m-radius, 75.0-kg grindstone (a solid disk). (a) What torque is exerted? (b) What is the angular acceleration assuming negligible opposing friction? (c) What is the angular acceleration if there is an opposing frictional force of 20.0 N exerted 1.50 cm from the axis?
A rope of negligible mass is wrapped around a 225 kg solid cylinder of radius 0.400 m. The cylinder is suspended several meters off the ground with its axis oriented horizontally, and turns on that axis without friction, (a) If a 75.0-kg man takes hold of the free end of the rope and falls under the force of gravity, what is his acceleration? (b) What is the angular acceleration of the cylinder? (c) if the mass of the rope were not neglected, what would happen to the angular acceleration of the cylinder as the man falls?
A proton is accelerated in a cyclotron to 5.0106m/s in 0.01 s. The proton follows a circular path. If the radius of the cyclotron is 0.5 km, (a) What is the angular momentum of the proton about the center at its maximum speed? (b) What is the torque on the proton about the center as it accelerates to maximum speed?
(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of 0.850m from the hinges. What torque are you exerting relative to the hinges? (b) Does it matter if you push at the same height as the hinges?
The axis of Earth makes a 23.5 angle with a direction perpendicular to the plane of Earth’s orbit. As shown below, this axis precesses, making one complete rotation in 25,780 y. (a) Calculate the change in angular momentum in half this time. (b) What is the average torque producing this change in angular momentum? (c) If this torque were created by a pair of forces acting at the most effective point on the equator, what would the magnitude of each force be?
The fishing pole in Figure P10.22 makes an angle of 20.0 with the horizontal. What is the torque exerted by the fish about an axis perpendicular to the page and passing through the anglers hand if the fish pulls on the fishing line with a force F=100N at an angle 37.0 below the horizontal? The force is applied at a point 2.00 m from the anglers hands. Figure P10.22
With the aid of a string, a gyroscope is accelerated from rest to 32 rad/s in 0.40 s under a constant angular acceleration. (a) What is its angular acceleration in rad/s2 ? (b) How many revolutions does it go through in the process?
A 4.0-kg particle moves in a circle of radius 2.0 m. The angular momentum of the particle varies in time according to l=5.0t2 , (a) What is the torque on the particle about the center of the circle at t=3.4s ? (b) What is the angular velocity of the particle at t=3.4s ?
A bug of mass 0.020 kg is at rest on the edge of a solid cylindrical disk (M=0.10kg,R=0.10m) rotating in a horizontal plane around the vertical axis through its center. The disk is rotating at 10.0 rad/s. The bug crawls to the center of the disk. (a) What is the new angular velocity of the disk? (b) What is the change in the kinetic energy of the system? (c) If the bug crawls back to the outer edge of the disk, what is the angular velocity of the disk then? (d) What is the new kinetic energy of the system? (e) What is the cause of the increase and decrease of kinetic energy?
A baseball catcher extends his arm straight up to catch a fast ball with a speed of 40 m/s. The baseball is 0.145 kg and the catcher’s arm length is 0.5 m and mass 4.0 kg. (a) What is the angular velocity of the arm immediately after catching the ball as measured from the arm socket? (b) What is the torque applied if the catcher stops the rotation of his arm 0.3 s after catching the ball?
Gravity is an example of a central force that acts along the line connecting two spherical masses. As a planet orbits its sun, (a) how much torque does the suns gravitational force exert on the planet? (b) What is the change in the planets orbital angular momentum?