PROBLEMSRotational Motion(Show all work on a separate sheet)1. A meter stick is balanced on a support at its center. A 0.70-N weight is hung on the meter sticka distance of 0.25 m to the left of the center. Where should you place the a 0.40-N weight sothat the meter stick is in static equilibrium?2. Look at Sample Problem #5 on the Handout. Solve the Problem with the length of thesee-saw changed to 12 ft. Keep all other data.3. What is the length of the lever arm that must be used if a torque of 72.5 m.N isrequired, and the largest force that can be exerted is 145 N?4. A child attempts to use a wrench to remove a nut on a bicycle. Removing the nutrequires a torque of 10 m.N. The maximum force that the child is capable of exertingat a 90 angle is 50 N. What is the length of the wrench that the child must use toremove the nut?5. You have a 0.234-m wrench. A job requires a torque of 32.4 m.N, and you can exert aforce of 232 N. What is the smallest angle, with respect to the horizontal, at which theforce can be exerted?6. A car moves a distance of 420 m. Each tire on the car has a diameter of 42 cm. Howmany revolutions does each tire make as they move that distance?7. A thin hoop with a mass of 5.0 kg rotates about a perpendicular axis through itscenter. A force of 25 N is exerted tangentially to the hoop. If the hoop's radius is2.0 m, what is it's angular acceleration?8. In the spin cycle of a clothes washer, the drum turns at 635 rpm. If the lid of thewasher is opened, the motor is turned off. If the drum requires 8.0 s to slow to a stop,what is the angular acceleration of the drum?

Since you have asked multiple questions, we will solve the first question for you. If you want any…

1. A meter stick is balanced on a support at its center. A 0.70-N weight is hung on the meter stick a distance of 0.25 m to the left of the center. Where should you place the a 0.40-N weight so that the meter stick is in static equilibrium?

1. A meter stick is balanced on a support at its center. A 0.70-N weight is hung on the meter stick a distance of 0.25 m to the left of the center. Where should you place the a 0.40-N weight so that the meter stick is in static equilibrium?

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

Two children of mass 21 kg and 26 kg sit balanced on a seesaw with the pivot point located at the center of the seesaw. If the children are separated by a distance of 2 m, at what distance from the pivot point is the small child sitting in order to maintain the balance? m
a. A 1200-N uniform boom of length 2.00 m is supported by a cable, as shown in the figure. The boom is pivoted at the bottom, and a 2000-N weight hands from its top. Find the tension in the cable and the components of the reaction force exerted on the boom by the floor. For the next two parts you can assume that the 2000-N weight is concentrated at the top end of the boom. b. Determine the total moment of inertia of the boom/weight system around the pivot point. c. The cable now breaks, and the boom pivots until the right end hits the floor. Determine the velocity of the right end at the instant before it hits the floor.
Q18
1. A meter stick is found to balance at the 49.7-cm mark when placed on a fulcrum. When a50.0-gram mass is attached at the 10.0-cm mark, the fulcrum must be moved to the 39.2-cm mark forbalance. What is the mass of the meter stick?
A horizontal 4.0 m long 5.0 N uniform bar at one end is attached to a wall by a frictionless hinge; and at the middle of the bar there is a vertical cable pulling down 7.0 N, and at the middle of the bar there is also a cable that is at 45 ° to the horizontal pulling up as shown. ii) What is the magnitude of the horizontal component of the force on the bar due to the hinge?
R8-7. The uniform 50-lb beam is supported by the rope that is attached to the end of the beam, wraps over the rough peg, and is then connected to the 100-lb block. If the coefficient of static friction between the beam and the block, and between the rope and the peg, is us = 0.4, determine the maximum distance that the block can be placed from A and still remain in equilibrium. Assume the block will not tip. 1 1 ft 10 ft- Prob. R8-7 المسوحة فولا CamSearer
In exercise physiology studies, it is sometimes important to determine the location of a person's center of gravity. This can be done with the arrangement shown in the figure below. -2.00 m A light plank rests on two scales that read F 91 = 440 N and F 92 = 320 N. The scales are separated by a distance of 2.00 m. How far from the woman's feet is her center of gravity? m
6. A 5-meter long wire has a total mass of 0.65 kg. It is suspended by two uniform 200-N poles, which lean apart from each other, as shown below. Assume the only significant forces are the tension of the wire, the gravity of the earth, and a contact force with the ground below. 6. A 5-meter long wire has a total mass of 0.65 kg. It is suspended by two uniform 200-N poles, which lean apart from each other, as shown below. Assume the only significant forces are the tension of the wire, the gravity of the earth, and a contact force with the ground below. wire 60° 60° Calculate the velocity of a transverse wave traveling along this wire. Calculate the velocity of a transverse wave traveling along this wire.
2. A 3.0-m-long ladder leans against a wall at an angle of 60° with respect to the floor. What is the minimum value of us, the coefficient of static friction with the ground, that will prevent the ladder from slipping? Assume that friction between the ladder and the wall is negligible. Center of gravity 19 TULO L 60⁰ Weight acts at the center of gravity. Known L-30 m Find Me Contro <= 0 about this point. Static friction prevents slipping.
Q9
5. A uniform 0.225 kg rod of 0.90 m length is used to suspend two masses as shown below. At what distance should the 0.40 kg mass be placed to achieve static equilibrium? 0.225 kg rod 0.65 m 0.25 m 0.40 kg 0.50 kg 6. If the 2.30 kg uniform beam shown in static equilibrium, what is the magnitude of
What is the normal force on the mass M = 7 kg in the figure if F 60N and the angle e= 30°? F Select one: A. 70 N B. 40 N C. 30 N D. 120 N E. 100 N Previous page Next page + Torque and Equilibrium Jump to... Chapter-9-Equilibrium of rigid bodies →