A is a 4.4 kg block and B is a 2.6 kg block. The coefficients of...
A is a 4.4 kg block and B is a 2.6 kg block. The coefficients of static and kinetic friction between A and the table are 0.18 and 0.15. a) determine the minimum mass of block C that must be placed on A to prevent it from sliding b) block C is suddenly raised from A. What is the acceleration of block A?
Homework Answers
40 kg In the figure, blocks A and B have masses 40 kg and 20 kg,...
40 kg In the figure, blocks A and B have masses 40 kg and 20 kg, respectively. (a) Determine the minimum weight of block C to keep A from sliding. The static and kinetic coefficient of frictions between block A and the table are 0.18 and 0.15, respectively. (b) What is the acceleration of block A? 120 kg
3.00 kg 2. In the diagram shown, the coefficients of friction between the 3.00kg block and...
3.00 kg 2. In the diagram shown, the coefficients of friction between the 3.00kg block and the table are , -0.42 (static) and H = 0.32 (kinetic). a) Calculate the maximum possible mass M for which the blocks will not move. b) If M = 2.20kg, calculate the acceleration of the blocks.
The force P is applied to the 42-kg block when it is at rest. Determine the...
The force P is applied to the 42-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P = 124 N, and (c) P = 201 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are us = 0.18 and uk = 0.15,...
m A block with mass m, - 8.9 kg is on an incline with an angle...
m A block with mass m, - 8.9 kg is on an incline with an angle 8 - 24" with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: Pk - 0.23 and Ms - 0.253. 1) When there is no friction, what is the magnitude of the acceleration of the block? 3.99 m/s2 Submit Your submissions: 3.99 Computed value: 3.99 Feedback: Correct! Submitted: Wednesday,...
A block with mass m1 = 9.4 kg is on an incline with an angle θ = 26° with respect to the horizontal
A block with mass m1 = 9.4 kg is on an incline with an angle θ = 26° with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: μk = 0.24 and μs = 0.264. 1) When there is no friction, what is the magnitude of the acceleration of the block? 2) Now with friction, what is the magnitude of the acceleration of the block after it...
Please help The mass of block in the figure is 9 kg. The coefficient of static...
Please help
The mass of block in the figure is 9 kg. The coefficient of static friction between the block and the wall is 0.50. What minimum force "F" is required to prevent the block from sliding down the wall?
Using the coefficients of static friction shown, determine the smallest mass of block A so that...
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°
A block with mass m1 = 8.5 kg is on an incline with an angle θ...
A block with mass m1 = 8.5 kg is on an incline with an angle θ = 25° with respect to the horizontal. For the first question there is no friction between the incline and the block. 1)When there is no friction, what is the magnitude of the acceleration of the block? 2)Now with friction, the acceleration is measured to be only a = 2.74 m/s2. What is the coefficient of kinetic friction between the incline and the block? 3)...
A 2-kg block is placed on the top of a 5-kg block . . . .
A 2-kg block is placed on the top of a 5-kg block The coefficientof kinetic friction between the 5-kg block and the surface isμk =0.2. A horizontal force F is appliedto the 5-kgblock.a) Draw a free-body diagram for each block. What force acceleratesthe 2-kg block?b) Calculate the magnitude of the force necessary to pull bothblocks to the right withacceleration 3 m/s2.c) Find the minimum coefficient of static friction μs betweenthe blocks suchthat the 2-kg block does not slip under an...
A block with mass m1 = 8.9 kg is on an incline with an angle θ = 27°
A block with mass m1 = 8.9 kg is on an incline with an angle θ = 27° with respect to the horizontal. For the first question there is no friction between the incline and the block. 1) When there is no friction, what is the magnitude of the acceleration of the block? 2) Now with friction, the acceleration is measured to be only a= 3.38 m/s2. What is the coefficient of kinetic friction between the incline and the block? 3) To keep the...
40 kg In the figure, blocks A and B have masses 40 kg and 20 kg, respectively. (a) Determine the minimum weight of block C to keep A from sliding. The static and kinetic coefficient of frictions between block A and the table are 0.18 and 0.15, respectively. (b) What is the acceleration of block A? 120 kg
3.00 kg 2. In the diagram shown, the coefficients of friction between the 3.00kg block and the table are , -0.42 (static) and H = 0.32 (kinetic). a) Calculate the maximum possible mass M for which the blocks will not move. b) If M = 2.20kg, calculate the acceleration of the blocks.
The force P is applied to the 42-kg block when it is at rest. Determine the magnitude and direction of the friction force exerted by the surface on the block if (a) P = 0, (b) P = 124 N, and (c) P = 201 N. (d) What value of P is required to initiate motion up the incline? The static and kinetic coefficients of friction between the block and the incline are us = 0.18 and uk = 0.15,...
m A block with mass m, - 8.9 kg is on an incline with an angle 8 - 24" with respect to the horizontal. For the first question there is no friction, but for the rest of this problem the coefficients of friction are: Pk - 0.23 and Ms - 0.253. 1) When there is no friction, what is the magnitude of the acceleration of the block? 3.99 m/s2 Submit Your submissions: 3.99 Computed value: 3.99 Feedback: Correct! Submitted: Wednesday,...
Please help
The mass of block in the figure is 9 kg. The coefficient of static friction between the block and the wall is 0.50. What minimum force "F" is required to prevent the block from sliding down the wall?
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°
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