Two forces are applied to a merry-go-round with a radius of 1.2 m as shown in the diagram below. One force has a magnitude of 80 N and the other a magnitude of 50 N. a. What is the torque about the axle of the merry-go-round due to the 80-N force? b. What is the torque about the axle due to the 50-N force? c. What is the net torque acting on the merry-go-round?

Two forces are applied to a merry-go-round with a radius of 1.2 m as shown in the diagram below. One force has a magnitude of 80 N and the other a magnitude of 50 N. a. What is the torque about the axle of the merry-go-round due to the 80-N force? b. What is the torque about the axle due to the 50-N force? c. What is the net torque acting on the merry-go-round?

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

Similar questions

What is the formula for calculating the torque (from the force)? Using the formula, list 3 different ways to change a torque. Using the formula, list 3 different ways to make a single torque 0. You want to lift a heavy box using a lever. The lever is not centered. Which end do you put the box on? Which end do you push down on? Explain.
Need help on this question
a) Write a vector equation to define torque. (State the meaning of each variable) b) Write an equation for Newton’s second law for rotational motion. (State the meaning of each variable)
9. The picture below shows a rod of mass 4.50 kg which is free to rotate horizontally about one end at point O (the picture is a top view) with two forces acting on it as shown. a. What is the net torque on the rod due to the two F2 = 24.0 N F, = 12.0 N forces? b. What is the angular acceleration of the rod? If this angular acceleration remains constant and the rod is initially at rest, then what is the roď's kinetic energy 30.0% C. 2.50 m 3.50 m after 12.5 s? 10. The picture below shows a 1.75 kg box pressed against a spring whose spring constant is 275 N/m compressing the spring a distance of 0.225 m. When released the box slides along a frictionless surface and down a ramp. After reaching the bottom of the ramp, the box slides for a short distance before encountering a rough patch of floor where friction brings the box to a stop after 1.35 m. a. How fast is the box moving when it reaches the bottom of the ramp before encountering the rough patch? b. What is the magnitude of the…
1. How can the same force applied to a lever produce different torques? A. By applying the force at different points of the lever arm along the length of the lever or by changing the angle between the lever arm and the applied force. B. By applying the force at the same point of the lever arm along the length of the lever or by changing the angle between the lever arm and the applied force. C. By applying the force at different points of the lever arm along the length of the lever or by maintaining the same angle between the lever arm and the applied force. D. By applying the force at the same point of the lever arm along the length of the lever or by maintaining the same angle between the lever arm and the applied force.
What are the parameters that impact the magnitude of a torque? a) The magnitude of the force, the duration of the action and the angle of application of the force. b) The magnitude of the applied force, the angle at which it's applied and the distance at which it's applied from the axis of rotation. c) The magnitude of the force, the mass of the object and the duration of the action.
Refer to the following figure when answering items 6, 7, and 8. The arrows represent forces acting on the bar. There are two answers per item- B -C D. F 6. Forces that result to clockwise torque about the axis 0 A. A and C C. E and F B. B and F D. B and D 7. Forces that result to zero torque about the axis 0 A. C and F C. A and F B. C and E D. B and C 8. Forces that result to counterclockwise torque about axis 0 C. A and F A. E and F B. C and D D. B and D
Prof. de Silva conducted the experiment in terms of physics principles related to rotational motion. The experiment involved Prof. de Silva using a sword to break a long wooden stick that is balanced on two wine glasses. 1. Describe Rotational Force. 2. Provide a diagram showing all the forces acting in the above scenario and their direction of those forces. 3. Your opinion on the performance and apply physics principles to explain the outcome and any limitations.
Please answer fast Calculate the forces/torques for each question. A .The patellar tendon attaches to the tibial tuberosity 6 cm from the knee joint center and at an angle of 45 degrees to the line passing through the knee joint center and its attachment. If the torque created about the knee joint is 600 Nm, how large is the force (Fp) in the patellar tendon? B.The biceps brachii attaches 6.5 cm down the forearm from the elbow joint center. The center of mass of the forearm and hand combined is located 20 cm from the elbow joint and has a mass of 1.5 kg. If the person can produce 800 N of force at the biceps brachii, what is the maximum mass they can hold in their hand (42 cm from the elbow joint center) when oriented at a 45-degree angle? C.Consider a person standing on a single leg in static equilibrium. The hip adductors must counteract the person's weight to maintain their balance in this position. The person's mass is 75 kg, the length of AB is 5 cm, the length of BC is 10 cm, and…
5. A6 ft board with mass of 2 kg is horizontal and attached to a swivel on one side,the other is allowed to fall from rest. (One side of the board will fall| while the other stays fastened..)
A log (1.4 kg) is sticking out of a building if a bird (m -800 g) is perched 2/3 the way out from the building and a rope is attached at the midway point of the log vertically upwards then do the following: a. Draw a picture b. Write out he rotational equilibrium equation for this problem with just the variables, no numbers, using B for the bird, L for the log, and T for the rope. c. What is the force from the rope if the sign is 1.5m long
Please answer all, this is my last question