4. Calculate the net torque (magnitude and direction) on the beam in figure below about (a) an axis through O perpendicular to the page and (b) an axis through C perpendicular to the page. 25 N 30% T20° 45° C 2.0 m 10 N 4.0 m 30 N

4. Calculate the net torque (magnitude and direction) on the beam in figure below about (a) an axis through O perpendicular to the page and (b) an axis through C perpendicular to the page. 25 N 30% T20° 45° C 2.0 m 10 N 4.0 m 30 N

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: Calculate the net torque (magnitude and direction) on the beam in the figure about (a) an axis…

A: Given information: The illustration of beam along with the forces (and components of forces) acting…

Q: 2. A force of 50.0 N [E] acts on a sphere of mass 10.0 kg and radius 0.16 m as shown. The sphere…

Q: Calculate the net torque (magnitude and direction) on the beam in the figure below about the…

Q: In the figure, a=10 cm and b=18 cm. Which of the following is true regarding the magnitude and…

Q: 0. Calculate the torque vector of the following force (N) and position (m) vectors: a. 7 = 5î + 10î;…

A: The torque vector is given as, a) The torque vector is given as,

Q: A model airplane with mass 0.749 kg is tethered to the ground by a wire so that it flies in a…

A: Given data The model airplane has a mass of m = 0.749 kg. The radius of the horizontal circle is r =…

Q: 1.The net torque acting on an object produces its moment of inertia. True False a) An object…

A: Formula used: The formula for the moment of inertia of an object is generally given by I = mr2 The…

Q: The 20-cm-diameter disk shown can rotate on an axle through its center. What is the net torque about…

A: Let the first force acting on the disk is 30 N. In this case the center of the disk will act as a…

Q: 6. What is the net torque around point A? 1 m 0.75 m0.25 m 1 m A 12 13 4 100 N 50 N 70 N

A: We have 3 forces F1=100 N at r1=1m from point A making angle cosθ=3/5 with the horizontal, F2=70 N…

Q: The blades of a aircraft turbine spin with an angular velocity of 500 rad/s. The turbine begins to…

A: Answer (A) 326 rad/sec Solution We know that For rotation motion kinematics equation ω2 =…

Q: A bicycle is turned upside down while its owner repairs a flat tire on the rear wheel. A friend…

A: Speed of the first drop vf2=v12-2gh10=v12-2gh1v1=2gh1 1 Similarly, the speed of the…

Q: A force is exerted on a point in a body (not shown).j Calculate the torque due to the force, and…

A: Dear student The torque is given as : Torque = r × F In vector form it is given that: F = -14i + 15j…

Q: An automobile is traveling at 60 km/h. (a) Calculate the angular velocity of the 0.35m radius wheels…

A: Given Linear Velocity of Automobile ,v=60 km/hRadius of wheel ,r=0.35 m

Q: Oh torque-so, layuan mo ko! Kim opens the refrigerator filled with ice cream with a force of…

A: Torque (τ) = Force × normal distance from the pivot to the action line of force = F×d

Q: 1. A flywheel with a diameter of 1.5 m is rotating at a rate of wo = 30 rad/s. It slows down due to…

Q: What is the net torque on the bar shown, about the axis indicated by the dot?

Q: 6) As shown in the figure below, a person pulls on a solid cylindrical wheel initially at rest…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 51. A top is a toy that is made to spin on its pointed end by pulling on a string wrapped around the…

Q: A 1.5 kg ball and a 2.0 kg ball are connected by a 2.5-m-long rigid, massless rod. The rod and balls…

Q: A cylinder 30.0 cm in diameter is at rest initially. It is then given an angular acceleration of…

Q: Two children on opposite sides of a 13 kg door (I = 1/3 mL2) apply a force to the door. The first…

A: in this question we determine door's angular acceleration.

Q: 6. A disk of mass 6 kg has a radius of 20 inches. Around the circumference is a string wound around.…

A: Part (6): Given: The mass of the disk is 6 kg. The radius of the disk is 6 inches. The hanging mass…

Q: 34. A ceiling fan is turned on and a net torque of 1.8 N · m is applied to the blades. The blades…

Q: A “blink of an eye” is a time interval of about 150 ms for an average adult. The “closure” portion…

Q: 2. A see-saw consists of a uniform beam of length L and mass M pivoted in the center. Two children…

A: Moment of inertia = mr2 Moment of inertia of uniform rod about center of mass = (1/12) ML2

Q: A 234 kg boat is negotiating a circular turn (radius = 33.1 m) around a buoy. During the turn, the…

A: Given data *The mass of the boat is m = 234 kg *The radius of the circular turn is r = 33.1 m *The…

Q: The blades of a wind turbine are 40 m in length and rotate at a maximum rotation rate of 13 rev/min.…

A: a) Write the expression for the moment of inertia of the rod. Write the expression for the angular…

Q: A ceiling fan is rotating counterclockwise with a constant angular acceleration of 0.40? rad/s2…

A: The fan starts from rest. So the initial angular velocity of the fan is zero. The expression for…

Q: Question 3: Calculate the net torque (magnitude and direction) on the beam in Figure below…

A: a) Determine the net torque about an axis that passes through point O and is perpendicular to the…

Q: 5) Calculate the net torque on the beam about a) an axis through O perpendicular to the page, and b)…

A: (a) Consider the counter clockwise torque as positive. The torque due to 30 N force will be zero as…

Q: An automobile is traveling at 60 km/h. (a) Calculate the angular velocity of the 0.35m radius wheels…

Q: The angular speed of a rotating platform changes from ω0 = 3.6 rad/s to ω = 6.4 rad/s at a constant…

A: Consider the equation for rotational motion. Rearrange equation (I) to find the angular…

Q: 93. A wheel spinning at a constant angular velocity about an axis through its center. Which point on…

A: wheel spinning at a constant angular velocity about an axis through its center. Which point on the…

Q: Force F = (- 7.7 N )i + (4.6 N )j acts on a particle with position vector = (2.5 m )i + (4.2 m )j.…

Q: The magnitude of net torque (in N.m) about a point at coordinate 7= (2î + 17) m when two forces F,=…

Q: A circular disk with a radius of 0.42 m is subject to 2 tangentially applied forces. The disc is…

A: Data provided: Radius of circular disk (R) = 0.42 Force (F1 ) = 4.4 N, at outer edge of the disc…

Q: A child jumps to the edge of a carousel, that is in the shape of a circular plate with a radius of…

A: Given Waight of plate is 80 kg Radius of plate is 1.3 m Weight of boy is 22kg Concept - law of…

Q: Calculate the net torque (magnitude and direction) on the beam in the figure below about the…

A: Assume that the torque about CCW is positive and CW is negative. (a) Write the formula for the…

Q: When you stand quietly, you pivot back and forth a very small amount about your ankles. It’s easier…

A: Given data: The mass of the man is m=68 kg. The total height of the man is t=1.8 m. The height of…

Q: A yo‑yo with a mass of 0.0850 kg and a rolling radius of r=1.60 cm rolls down a string with a linear…

Q: How must force F2 change if it is applied closer to the axis of rotation (decreasing r2) but still…

A: Answer D. Force F2 would increase

Q: A 10 kg cylindrical barrel with a radius of 0.5 m rotates about a vertical axis of rotation without…

A: Given Barrel mass is 10 kg Barell radius is 0.5 m Barrel moment of inertia is .3mr2 I = 0.3*10*0.5²…

Q: •21 In unit-vector notation, what is the torque about the origin on a particle located at…

A: (a)Torque due to first force

Q: a 20 Nm torque acts on a wheel that has 150kgm^2 moment of inertia 1.calculate the angular…

A: Given data: Applied torque (T) = 20 N.m Moment of inertia (I) = 150 kg.m2 Need to determine 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

4. Calculate the net torque (magnitude and direction) on the beam in figure
below about (a) an axis through O perpendicular to the page and (b) an
axis through C perpendicular to the page.
25 N
30°
KT20°
45°
2.0 m C
10 N
4.0 m
30 N

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

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

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?
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
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?
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?
At its peak, a tornado is 60.0 m in diameter and carries 500 km/h winds. What is its angular velocity in revolutions per second?
A uniform cylindrical grinding wheel of mass 50.0 kg and diameter 1.0 m is turned on by an electric motor. The friction in the bearings is negligible. (a) What torque must be applied to the wheel to bring it from rest to 120 rev/min in 20 revolutions? (b) A tool whose coefficent of kinetic friction with the wheel with a force of 40.0 N. What torque must be supplied by the motor to keep the wheel rotating at a constant angular velocity?
A disk 8.00 cm in radius rotates at a constant rate of 1 200 rev/min about its central axis. Determine (a) its angular speed in radians per second, (b) the tangential speed at a point 3.00 cm from its center, (c) the radial acceleration of a point on the rim, and (d) the total distance a point on the rim moves in 2.00 s.
Math Review (a) Convert 47.0 to radians, using the appropriate conversion ratio. (b) Convert 2.35 rad to degrees. (c) If a circle has radius 1.70 m, what is the are length subtended by a 47.0 angle? (See Sections 1.5 and 7.1.)
Review. A small object with mass 4.00 kg moves counterclockwise with constant angular speed 1.50 rad/s in a circle of radius 3.00 m centered at the origin. It starts at the point with position vector 3.00im. It then undergoes an angular displacement of 9.00 rad. (a) What is its new position vector? Use unit-vector notation for all vector answers. (b) In what quadrant is the particle located, and what angle does its position vector make with the positive x axis? (c) What is its velocity? (d) In what direction is it moving? (e) What is its acceleration? (f) Make a sketch of its position, velocity, and acceleration vectors. (g) What total force is exerted on the object?
What is (a) the angular speed and (b) the linear speed of a point on Earth’s surface at latitude 30N . Take the radius of the Earth to be 6309 km. (c) At what latitude would your linear speed be 10 m/s?
An electric sander consisting of a rotating disk of mass 0.7 kg and radius 10 cm rotates at 15 rev/sec. When applied to a rough wooden wall the rotation rate decreases by 20 . (a) What is the final rotational kinetic energy of the rotating disk? (a) How much has its rotational kinetic energy decreased?
A gyroscope has a 0.5-kg disk that spins at 40 rev/s. The center of mass of the disk is 10 cm from a pivot which is also the radius of the disk. What is the precession angular velocity?