A 3.0-m-long ladder, as shown in Figure 12.35, leans against a frictionless wall. The coefficient of static
Question:
A 3.0-m-long ladder, as shown in Figure 12.35, leans against a frictionless wall. The coefficient of static friction between the ladder and the floor is 0.40. What is the minimum angle the ladder can make with the floor without slipping?
L= 3.0 m dz Center of mass Tnet = 0 about this point. 60° fs Gravity acts at di the center of mass. ·Static friction prevents slipping.
Step by Step Answer:
Model The ladder is a rigid rod of length L To not slip it must be in both translational ...View the full answer
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
Related Video
Take 2 forks and place them on one another in such a way that we can place the coin in between the prongs. Now try to place the coin with forks on the edge of the glass. It will take you some time to adjust the coin on the edge. This requires a little practice to adjust the coin on the edge of the glass. With a little effort, we will see the coin sitting on the edge calmly. If you look closely you will see it wobbling a little bit. The mass is in the handles of the forks so as a low center of mass it stables as it looks.
Students also viewed these Physics questions
-
A long, non-uniform board of length 8.0 m and mass m = 12 kg is suspended by two ropes as shown in Figure P8.83. If the tensions in the ropes are mg/3 (on the left) and 2mg/3 (on the right), what is...
-
A stepladder of negligible weight is constructed as shown in Figure P12.57. A painter of mass 70.0 kg stands on the ladder 3.00 m from the bottom. Assuming the floor is frictionless, find (a) The...
-
A 12-cm-diameter tube is 13 m long and used to siphon water from the reservoir and discharge it into the air, as shown in Figure P4.2.2. If the total head loss between the intake end of the tube and...
-
Given a shaky economy and high heating costs, more and more households are struggling to pay utility bills (The Wall Street Journal, February, 14, 2008). Particularly hard hit are households with...
-
Megatron Inc owns a television station in the interior of British Columbia. Its year end is June 30. The company completed the following transactions: 2014 Apr. 1 Paid $2,175,000 plus $75,000 in...
-
Kelly Jennings has just started working full time in her new business, an advertising agency named Jennings & Associates and located in San Martin, California. Like many eager entrepreneurs, she...
-
Assume that the weekly payroll of IDT, Inc., is $3,500. December 31, the end of the year, falls on Tuesday, but the company wont pay employees for the full week until its usual payday, Friday. What...
-
El Paso Products Company has accumulated the following data over a six-month period: Separate the machine-related costs into their fixed and variable components, using the high-low method. Machine...
-
Rumor has it that GOJEK is planning to issue its series G of preferred share in September 2020. This series will promise an Rp.1.000,000 per share return annually. You are interested to buy this...
-
The cash book (bank columns) of Ella for the month of May 207 were as follows: Ellas bank statement for May 207 showed the following: The following errors were discovered: 1. Ella had overcast the...
-
A persons center of mass is easily found by having the person lie on a reaction board. A horizontal, 2.5-m-long, 6.1 kg reaction board is supported only at the ends, with one end resting on a scale...
-
In Figure P12.59, an 80 kg construction worker sits down 2.0 m from the end of a 1450 kg steel beam to eat his lunch.What is the tension in the cable? Cable 307 6.0 m
-
A rectangular fish tank at an aquarium is 20 m long by 20 m wide by 8 m deep. (a) Determine the volume of the tank in cubic meters. (b) Determine the number of liters of water the tank holds. (c)...
-
Isolation Traders paid an insurance premium of R 1 0 8 2 4 on 1 March 2 0 1 9 for 1 2 months. Upon the inspection of the pre - adjustment trial balance for the year ended 3 1 May 2 0 1 9 , the...
-
Poverty in Paradise The so-called "Paradise papers" revealed the vast scope of some small tropical nations roll in international money laundering and tax evasion. The impact of these tax havens...
-
You need cash of $15,100 to be received in 3 years, discounted at 7% compounded annually. Indicate the inputs to be entered into the financial calculator keys. What is the present value of the amount...
-
An industrial robotic cooker has a paddle which efficiently mixes during the cooking process. In order to maintain a uniform temperature throughout, the mixer creates turbulence, which enhances the...
-
a company knows that it will need to pay $750,000 each year for the next 10 years to clean up toxic pollution at a farmer plant site. Management wants to set aside a lump sum now that will be enough...
-
Explain why the sounds emitted by large animals usually have a lower frequency than those from small animals. Consider the standing waves in the vocal tract.
-
Find the volume of the described solid S. A frustum of a right circular cone with height h, lower base radius R, and top radius r -r- --R
-
A 50-cm 50-cm circuit board that contains 121 square chips on one side is to be cooled by combined naturalconvection and radiation by mounting it on a vertical surface in a room at 25C. Each chip...
-
Reconsider Prob. 2030. Using an appropriate software, investigate the effects of the room temperature and the emissivity of the board on the temperature of the hot surface of the board for different...
-
Consider a 15-cm à 20-cm printed circuit board (PCB) that has electronic components on one side. The board is placed in a room at 20°C. The heat loss from the back surface of the board is...
-
What is meant by the evolution of the chef with regard to supervisory position?Explain Words count 350 words.
-
Total Direct Materials Variance (b) Total Direct Labor Variance Based on the following, what is the total direct materials variance? Total Product Cost Flexible Budget Variance (a) Total...
-
3 The total force (in N) on the circular end of a water tank is F = 18,600 Sy9-y dy. Evaluate F. 0
Study smarter with the SolutionInn App