3. Th e coefficient of static friction between the 120-kg crate and the groundis 120-kg crate...
The 75-kg man pushes on the 150 kg crate with a horizontal force F The coefficients of static and kinetic friction between the crate and the surface are us=0.3 and uk = 0.18, and the coefficient of static friction between the man's shoes and the surface is u's=0.8. (Figure 1) What is the greatest acceleration the man can give the crate if the man's acceleration is zero at this instant? (Ctri)
QESTION 3 (a) If the coefficient of kinetic friction between the 50 kg crate shown in Figure Q3(a) and the ground is u = 0.18, determine the speed of the crate and its displacement when time t = 2 s. The crate starts from rest and is towed by the 40 kg force. (8 marks) 40 kg 30° Figure Q3(a)
Homework #3 - Chapter 13 Problem 13.16 3 of 6 11 Review Part A The 75-kg man pushes on the 150-kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are 4,0.3 and p =0.12, and the coefficient of static friction between the man's shoes and the surface is = 0.8. (Figure 1) Select the correct explanation for the fact that the man is able to move the crate. Here...
The 75-kg man pushes on the 150-kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are μs = 0.3 and μk = 0.1, and the coefficient of static friction between the man's shoes and the surface is μ′s = 0.8. What is the greatest acceleration the man can give the crate if the man's acceleration is zero at this instant? I keep getting 1.96 but it says answer is...
Plz quick help. If the coefficient of static friction between the man's shoes and the pole is?-o.55, determine the minimum coefficient of static friction required between the belt and the pole at A in order to support the man. The man has a weight of 175 lb and a center of gravity at G 3.75 ft 2.25 ft 0.75 ft 0.5 ft
The coefficient of static friction between the m = 3.85-kg crate and the 35.0° incline of the figure below is 0.325. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? N
Figure 5 shows a crate has a mass of 50 kg and the coefficient of static friction between the crate and the plane is us = 0.25. (1) Determine the minimum horizontal force P required to hold the crate from sliding down the plane. (8 marks) Determine the minimum force P required to push the crate up the plane. (8 marks) (11) P 30° Figure Q5
The coefficient of static friction between the flat bed of the truck and the crate it carries is 0.29. Determine the minimum stopping distance s which the truck can have from a speed of 50 km/h with constant deceleration if the crate is not to slip forward. The coefficient of static friction between the flat bed of the truck and the crate it carries is 0.29. Determine the minimum stopping distance s which the truck can have from a speed...
A 5.0 kg crate is resting on a horizontal plank. The coefficient of static friction is 0.50 and the coefficient of kinetic friction is 0.40. One end of the plank is raised so the plank makes an angle of 30° with the horizontal. Find the minimum force that can be applied parallel to the plane to hold the crate at rest. a. 4.49N b. 0 c. 2.29N d. 3.29N e. 5.59N
- A 3.1-kg flower pot sits on the ground. The coefficient of static friction between the flower pot and the ground is 0.54. Maria pushes the flower pot with a force of 5.2 Newtons, but it does not move. How strong is the static friction? -A 1.6-kg book sits on a table. The coefficient of static friction between the book and the table is 0.39. What is the hardest you can push on the book without it moving?