mRMgFWhen climbing into your childhood tree house you realize someone has left aweight of mass m =3.0 kg in the middle of the trapdoor, 0.60 m from thehinges. You apply an upward force of 75 N at a distance Rhinges. If the door has a mass of 10 kg, what is the angular acceleration of thedoor and the weight? Assume you can treat the door as a rod, that the block1.2 m from therotates with the door, and that the weight is very small (a point particle).Pick the correct answer0.31 rad/s?2.3 rad/s?0.0 rad/s?2.8 rad/s?14 rad/s?

We know that the torque is given as τ= Iα where I is the moment of inertia α is the angular…

When climbing into your childhood tree house you realize weight of mass m = 3.0 kg in the middle of the trapdoor, hinges. You apply an upward force of 75 N at a distance R hinges. If the door has a mass of 10 kg, what is the angular door and the weight? Assume you can treat the door as a r

When climbing into your childhood tree house you realize weight of mass m = 3.0 kg in the middle of the trapdoor, hinges. You apply an upward force of 75 N at a distance R hinges. If the door has a mass of 10 kg, what is the angular door and the weight? Assume you can treat the door as a r

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A light rigid rod of length = 1.00 m in length rotates about an axis perpendicular to its length and…

Q: A torque of 430. N-m acts on a flywheel. At the instant that the flywheel's angular speed is 52.0…

Q: A simple pendulum consists of a small object of mass 3.3 kg hanging at the end of a 2.0-m-long light…

A: Given that, Mass of small object, m = 3.3 kg Length of light string, r = 2 m Angle, θ = 4.5° (a)…

Q: YA R

A: Given: wheel radius = 50 cm Force = 15N is applied to Distance…

Q: The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38 Nm.…

A: We know that the torque is the product of perpendicular component force and the length. To find the…

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: A potter's wheel is a horizontal disk with a moment of inertia of 0.85 kg m2 that rotates with a…

Q: A hamster sits 0.10 m from the center of a lazy Susan of negligible mass. The wheel has an angular…

A: distance, r = 0.1 m , angular velocity, ω = 1 rev/s distance, r' = 0.3 m

Q: A cylinder of radius 2.59 cm2.59 cm and a sphere of radius 9.22 cm9.22 cm are rolling without…

Q: A thin spherical shell has a radius of 1.80 m. An applied torque of 860 N m gives the shell an…

Q: P18. The track shown in the figure consists of two parts: the left part has rough surface, the right…

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

Q: A machine part rotates at an angular speed of 0.054 rad/s; its speed is then increased to 1.9 rad/s…

A: (a) The expression for the angular speed ω2=ω02+2αθ Rearrange θ=ω2-ω022α Substitute θ=1.9…

Q: The 23-lb cylinder is at rest on the horizontal surface when a tension P =17 lb is applied to the…

A: The forces providing the necessary torque to the cylinder, which causes rolling without slip are,…

Q: 10.0 N 30.0 12.0 N b. 9.00 N Consider the figure above, which shows a brass axle of radius a…

A: The problem is based on the concept of Torque of force about an axis of rotation. Let O is the axis…

Q: A uniform solid disk with a mass of 22.0 kg and a radius of 0.244 m is free to rotate about a…

A: The mass of the disk is 22 kg. The radius of the disk is 0.244 m. The applied forces are 90 N and…

Q: A solid sphere of radius 6.00 cm and mass 7.00kg is mounted on an axle through its center. a.…

A: It's a concept of Torque.

Q: In the rotational motion experiment, a student wanted to measure the moment of inertia I of a disc,…

A: τ=Torque=8.2 NmI=Moment of inertiaα=Angular acceleration=28.34 rad/s2

Q: String is wrapped around the outer rim of a solid uniform cylinder that is free to rotate about a…

Q: Suppose you start an antique car by exerting a force of 320 N on its crank for 0.13 s. f = 320 N t…

A: The angular momentum given to the engine by the crank can be calculated as, τ = ∆l/∆t The torque is…

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: A cylinder of radius 3.34 cm and a sphere of radius 7.47 cm are rolling without slipping along the…

A: Given radius of cylinder= 3.34 cm radius of sphere = 7.47 cm rolling without slipping along the same…

Q: a doctor opens a 1.5 m door by pushing it with a force of 39.7 N. What magnitude torque does she…

A: Given values:Applied force, F = 39.7 NDistance from the axis to the center of the door, r = 1.5 / 2…

Q: Fa Fc Two uniform disks are attached at their centers. Three forces are applied at various positions…

Q: Plz correct solution. Previous answers are wrong

A: The text in the image describes a physics problem about a top composed of a thin cylinder and a…

Q: A discus thrower moves the discus in 2.30 complete revolutions about his body in 1.32 s (starting…

Q: A car tire (hoop) has a mass of 35 kg and a radius of 0.43 m. The tire is released from rest at the…

Q: A cylinder of radius 2.59 cm and a sphere of radius 8.72 cm are rolling without slipping along the…

A: Both have same kinetic energy. The two objects have the same mass.

Q: The uniform slender rod has a mass m. If it is released from rest when e = 0°. determine the angular…

A: Given Moment if inertial about center Ic = ML²/12 Concept used is law of conservation of energy.

Q: A 325-kg merry-go-round with a radius of 1.50 m is spinning counterclockwise, as viewed from above,…

Q: A 200kg disk with a radius of 4.0m is rotating clockwise about the +y axis. A 50kg person is sitting…

Q: A thin spherical shell has a radius of 0.90 m. An applied torque of 920 N m imparts to the shell an…

Q: A toy Ferris wheel that is at rest has a radius of 20.0 cm. A perpendicular force of 1.5 N is…

A: The radius is 20cm Applied force is 1.5N Rotational inertia 0.05 kgm2

Q: In orbit mechanics, the angular momentum is also an important quantity governing the satellite's…

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

m
R
Mg
F
When climbing into your childhood tree house you realize someone has left a
weight of mass m =
3.0 kg in the middle of the trapdoor, 0.60 m from the
hinges. You apply an upward force of 75 N at a distance R
hinges. If the door has a mass of 10 kg, what is the angular acceleration of the
door and the weight? Assume you can treat the door as a rod, that the block
1.2 m from the
rotates with the door, and that the weight is very small (a point particle).
Pick the correct answer
0.31 rad/s?
2.3 rad/s?
0.0 rad/s?
2.8 rad/s?
14 rad/s?

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

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 1 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

T m A 25.0 kg mass is hung from a rope that is passed over a pulley and held by a man standing on a ramp. The pulley can be treated as a solid disk with a mass of 10.0 kg that has a radius of 0.400 m. The man pulls the rope so that the pulley rotates from rest through an angular displacement of 15.0 rad in 2.00s. A. What is the angular acceleration of the disk? B. What is the tension of the rope as it pulls up on the box? C. What is the force applied by the man on the rope as he pulls the box upward?
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
A disk of radius 0.5 m is rotating with constant angular acceleration around an axis passing through its center as shown in the figure. It starts rotation at r = 0 with an angular velocity of 10 rad/s/ After making 30 revolutions, its angular velocity becomes 100 rad/s. Find the tangential acceleration (in m/s) of a point P on the rim of the disk P R
A horizontal, uniform, 8.00-kg, stationary, solid disk with a radius of 80.0 cm is pivoted at its center such that the plane of the disk is parallel to level ground. A boy applies a tangential force of 40.0 N on the disk by pulling on a rope that is inserted in a side groove of the disk. Through what total angle will the disk rotate in 5.00 s? a. 124 rad b. 156 rad c. 108 rad d. 140 rad e. 92.0 rad
Plz use g = 9.8 m/s2 to find if needed
A string is wrapped around a pulley of radius 1 m and moment of intertia 5 kgm2. If the string is piulled with a force F, the resulting angular acceleration of the pulley is 5o rad/s2 . Determine the magnitude of the force F.
The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 9.30 N at point A, 5.40 m from O; FB = 13.0N at point B, 2.90 m from O; and Fc = 18.0 N at point C, 2.90 m from O. Taking the clockwise direction to be negative, what is the net %3D torque about O? 135° A C 160° 90 FA Units Number i
A simple pendulum consists of a small object of mass 3.0 kg hanging at the end of a 2.0-m-long light string that is connected to a pivot point. (a) Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string makes a 8.0° angle with the vertical. N.m (b) Does the torque increase or decrease as the angle increase? increase O decrease Explain.
In the figure, the disk is at rest, homogeneous, and weighs 50 lb. If a horizontal force P is applied to its center of mass at G, and it experiences friction as shown, determine the angular acceleration of the disk and the acceleration of point G.
Question 4 1 pts A clockwise torque is O negative O positive O torques are always positive Question 5 1 pts Saying that the Sum of torques is zero is the same as saying that the magnitude of clockwise torques is O cqual to the magnitude of counterclockwise torques O opposite to the magnitude of counterclockwise torques O zero Question 6 1 pts For this week's lab, once the pivot is moved away from the center of gravity, the lever arm for the torque of the weight is: O distance between the center of gravity and the position of the pivot O zero O position of the pivot
An electric fan with angular velocity of 40 rad/s is operating in your room. Upon leaving the roomyou turn off the fan and after 32 revolutions it comes to rest. a) What is angular acceleration of eachblade? b) If the fan had angular velocity 80 rad/s and upon turning off, after 16 revolutions the fancome to rest. What is the angular acceleration of each blade?