Please include fbd The coefficients of friction are 0.4 and 14-0.3 between all surfaces. Determine the...
The coefficients of friction are ?? = 0.4 between all
surfaces of contact. Assuming the
pulley is frictionless,
a. Determine the smallest force P required to start the 45-kg block
moving if the cable is
attached as shown.
b. Determine the smallest force P required to start the 45-kg block
moving if the cable is
removed from the blocks. Will block A slip with respect to block B
or will it move
with block B?
The coefficients of friction are...
The coefficients for friction are m s = 0. 35 and m
k = 0. 25 between all surfaces of contact. Determine the
smallest force P required to start the 25-kg block
moving if cable AB (a) is attached as shown, (b)
is removed
15 kg 25 kg BC
Using the coefficients of static friction shown, determine the
smallest mass of block A so that it will prevent sliding motion of
B down the plane.
A cable is attached to the 20-kg plate B, passes over a fixed peg at C, and is attached to the block at A. (Figure 1) Figure < 1 of 1 > Mc = 0.3 MA = 0.2 MB = 0.3 30°
The three blocks have weights of WA = 60 lb, WB = 40 lb, and WC
= 20 lb. If the coefficients of static friction at the surfaces of
contact are UAB = 0.4, UBC = 0.3, and UCD = 0.2, determine (a) the
smallest horizontal force P needed to move block C, and (b) the
tension in the cable.
Cable attached to the wall and block A a.) P= b.) T = A B Р С D
Statics
7.2 The coefficients of friction between the block and the rail are s 0.30 and pk 0.25. Find the magnitude and direction of the smallest force P required: (e) to start the block up the rail, (b) to keep it from moving down. HINT. First, visualize graphically (i.e. make a sketch) how much ? must be for P to be minimum 500 N ANS. (a) P 392 N 51.7 (b) P = 157 N 18.30
Problem 1: A force P is applied to a block A of mass m= 14 kg as shown. The block sits on an inclined surface with 0= 30° and a coefficient of static friction = 0.4. | 8=9.81 m/s What is the maximum force P that will start A moving down the incline?
PLEASE SHOW ALL WORK STEP-BY-STEP AS MUCH AS POSSIBLE
0.75 in 0.75 in. 8.71 A wedge A of negligible weight is to be driven between two 100- ib blocks B and C resting on a horizontal surface. Knowing that the coeffi- cient of static friction at all surfaces of contact is 0.35, determine the smallest force P required to start moving the wedge (a) if the blocks are equally free to move, (b) if block C is securely bolted to...
A large crate with mass m rests on a horizontal floor. The coefficients of friction between the crate and the floor are \mu _{\rm{s}} and \mu _{\rm{k}}. A woman pushes downward at an angle \theta below the horizontal on the crate with a force \vec F. A)What magnitude of force \vec F is required to keep the crate moving at constant velocity? B)If \mu _{\rm{s}} is greater than some critical value, the woman cannot start the crate moving no matter...
Can you show me all the steps please?
For the figure shown below, the mass of the block is 10 kg and the coefficient of kinetic friction is 0.4 and the angle of the incline theta is 30 degree. Calculate the following: a. The value of the force F parallel to the incline require for the block to move with constant velocity. b. The work of the weight from point A to point B. c. The work of the force...
4. A small block of mass $m_{1}=4 k g$ is placed at rest on a larger block of mass $m_{2}=6 \mathrm{kg}$. The coefficient of friction between the two block is $\mu=0.3 .$ And the horizontal surface is smooth. A constant force $\mathrm{F}$ is applied on the block.
The situation is given in the figure below.
a. Find the value of limiting friction between the two blocks.
b. What is the maximum acceleration by which the upper block can move
c....