Write an algebraic expression for the coefficient of kinetic friction for a block of mass m...
Write an algebraic expression for the coefficient of kinetic
friction for a block of mass m sliding down an incline of angle
theta with respect to the horizontal with acceleration a. (type the
formula out with the word (theta) for the angle. Make sure you are
careful with your parentheses. You may use the following variables:
m, a, g, (theta) and the sin, cos, and tan functions.
Homework Answers
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Write an algebraic expression for the coefficient of kinetic
friction for a block of mass m...
The coefficient of kinetic friction for a block of mass 45 kg sliding down an inclined...
The coefficient of kinetic friction for a block of mass 45 kg sliding down an inclined plane having an angle of 52 degrees to the ground is .03. Calculate the acceleration of the sliding block.
To understand kinetic and static friction. A block of mass m lies on a horizontal table. The coefficient of static fric...
To understand kinetic and static friction. A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is μs. The coefficient of kinetic friction is μk, with μk<μs. a- Suppose you want to move the block, but you want to push it with the least force possible to get it moving. With what force F must you be pushing the block just before the block begins to move? Express the...
A block slides down a 20 degree incline. The coefficient of kinetic friction between the block...
A block slides down a 20 degree incline. The coefficient of kinetic friction between the block and incline is 0.1. Use g = 10 m/s^2. If the magnitude of the blocks acceleration is 2.5 m/s^2 then find the minimum coefficient between the block and the incline such that the block can remain at rest when placed on the incline.
Assume the block has a mass of 16 kg and the coefficient of kinetic friction is...
Assume the block has a mass of 16 kg and the coefficient of kinetic friction is 0.86 in the following figure. What applied force P directed down and along the incline will produce an acceleration of 0.8 m/s2 down the incline? Force (P) = Number Newtons 35°
To understand kinetic and static friction. A block of mass m lies on a horizontal table....
To understand kinetic and static friction. A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is μs. The coefficient of kinetic friction isμk, with μk<μs. Part B Suppose you want to move the block, but you want to push it with the least force possible to get it moving. With what force F must you be pushing the block just before the block begins to move? Part C...
Questions 1&2 FP 1. A sliding block of mass m 0.25 kg is subject to a...
Questions 1&2
FP 1. A sliding block of mass m 0.25 kg is subject to a force of magnitude 4 N that makes an angle of ф-30 with the horizontal surface. If the coefficient of kinetic friction between block and surface is 0.5, what is the resulting acceleration of the block along the surface Figure 1: Block on incline. 2. A block of mass m - 5 kg is subject to a force of magnitude 20 N that makes an...
A block of mass m is sliding down a plane inclined at an angle theta to...
A block of mass m is sliding down a plane inclined at an angle theta to the horizontal. If the coefficient of friction is µk . Find the acceleration of the block. Draw a vector diagram to solve this question.
A block of mass m lies on a horizontal table. The coefficient of static friction between...
A block of mass m lies on a horizontal table. The coefficient of static friction between the block and the table is ?s. The coefficient of kinetic friction is ?k, with ?k<?s. 1)If the block is at rest (and the only forces acting on the block are the force due to gravity and the normal force from the table), what is the magnitude of the force due to friction? 2)Suppose you want to move the block, but you want to...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the s...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of u. The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of with the horizontal. The box was initially travelling to the right at speed u = 1.5". If M = 8.7kg,...
Two blocks are connected as shown below. The coefficient of kinetic friction between the block (M)...
Two blocks are connected as shown below. The coefficient of kinetic friction between the block (M) and the incline is .19. Disregard any pulley mass of friction in the pulley. (A) calculate the magnitude of acceleration of the blocks. (B) find the tension in the string connecting the blocks. Use M=2.9kg. Please include the free body diagrams. 2M M 0:40
The coefficient of kinetic friction for a block of mass 45 kg sliding down an inclined plane having an angle of 52 degrees to the ground is .03. Calculate the acceleration of the sliding block.
Assume the block has a mass of 16 kg and the coefficient of kinetic friction is 0.86 in the following figure. What applied force P directed down and along the incline will produce an acceleration of 0.8 m/s2 down the incline? Force (P) = Number Newtons 35°
Questions 1&2
FP 1. A sliding block of mass m 0.25 kg is subject to a force of magnitude 4 N that makes an angle of ф-30 with the horizontal surface. If the coefficient of kinetic friction between block and surface is 0.5, what is the resulting acceleration of the block along the surface Figure 1: Block on incline. 2. A block of mass m - 5 kg is subject to a force of magnitude 20 N that makes an...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of u. The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of with the horizontal. The box was initially travelling to the right at speed u = 1.5". If M = 8.7kg,...
Two blocks are connected as shown below. The coefficient of kinetic friction between the block (M) and the incline is .19. Disregard any pulley mass of friction in the pulley. (A) calculate the magnitude of acceleration of the blocks. (B) find the tension in the string connecting the blocks. Use M=2.9kg. Please include the free body diagrams. 2M M 0:40
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