1. A 200Kg box is on the platform of a weighing scale and is being pulled by a force of 70 Kg acting at 43° above the horizontal. Between the box and the platform the coefficient of friction is 0.36. (a) How much will the scale register? (b) Will the box remain on the platform or slide? P = 70 Kg 43 200 Kg WEIGHING SCALE

1. A 200Kg box is on the platform of a weighing scale and is being pulled by a force of 70 Kg acting at 43° above the horizontal. Between the box and the platform the coefficient of friction is 0.36. (a) How much will the scale register? (b) Will the box remain on the platform or slide? P = 70 Kg 43 200 Kg WEIGHING SCALE

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

The 250 lb uniform crate (center of gravity at G) shown in the figure must be moved without tipping. The applied force P is horizontal. 1.5 ft 1.5 ft Determine: a. The largest coefficient of static friction between the crate and the floor that allows the crate to slide and 2.5 ft P. not tip 4.5 ft b. The corresponding magnitude of P 3.5 ft Include all needed FBD's to solve, and put units on your answers.
1:E1 A docs.google.com/for Untitled Section Determine the force P required to lower the 40-kg cylinder at a slow steady speed. The coefficient or friction between the cord and its supporting surface is 0.30. (g-10 m/s³). 40 kg Your answer If (4, =0.4) then the o between the normal force N and the friction force F will be Your answer العربية الإنجليزية III
P (N) * 2. The force P is applied to the block m kg, which is stationary before the force is applied. Determine the magnitude and direction of the friction force f exerted by the horizontal surface on the block. m kg 30° H = 0.80 H = 0.60 %3D Figure 2. 25 kg m = .... ..... .... .. P = 245.25 newton ....... ..... .......
1- A 60 Ib box is held on a smooth incline by a rope passing over the surface of contact with the coefficients of static friction of 0.25. Find (a) the tension on the rope and (b) the magnitude and location of the normal force exerted on the box by the plane. 40° 15 in. 60 Ib 12 in. 30°
Ql: A box weighing 100 N is at rest on a horizontal floor. The coefficient of the static friction F sin 6 between the box and the floor is 0.4. What is the NA F cos 0 smallest force exerted eastward and upward at an angle of 30° with the horizontal that can start the box in motion?
Question 3(a) The non uniform XYZ bar which weighs 155 kg has its centre of gravity G at a distance 4 m from X. This bar rests on a homogeneous crate P. The static coefficient of friction between the bar and the crate is 0.31 while the same between the crate and the floor is 0.22. Determine the mass of the lightest crate P (in kilograms) that can be used to support this non uniform bar in the position shown in Figure 3. The height of the crate is 4.32 m and the length of the bar is 8.59 m. 4 m 3 m - 1 m - Figure 3 Question 3(b) Take an example from everyday life where you can identify the application of the concepts we learn in the "Dry friction" module. Sketch this example and discuss about the effect of friction on that particular scenario. Sketch does not have to be drawn to a scale. (Description should be 250 words or less).
1. A horizontal force, F, pushes a block of mass m against a vertical wall. The coefficient of static friction, μs, is given. Find the minimum horizontal force where the block will just begin to slip.
250 kg concrete wheel with a radius of 1.50 m is being pulled up a hill by a 725 kg cow, with a rope attached to the wheel and the cow. There is a 35.5 cm tall rock protruding out of the hill. Calculate the tension in the rope when the barrel is just starting to lift off of the hill to go over the protruding rock? What's the minimum coefficient of static friction between the cow and the hill for the cow to be able to pull the barrel over the rock?