A 2.6 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle e = 25° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (a) Calculate the magnitude of the frictional force on the block from the floor. (b) Calculate the magnitude of the block's acceleration. m/s2

A horizontal force of 734 N is needed to overcome the force of static friction between a level floor and a 132 kg crate. What is the acceleration of the crate if the 734 N force is maintained after the crate begins to move and the coefficient of kinetic friction is 0.07?

Block 1 (10 kg) is pulled by a rope from left to right up a ramp which is inclined 50 degrees from the horizontal. The rope pulls on block 1 with a force of 150 N parallel to the surface of the inclined plane. The coefficient of kinetic friction between the block and the surface equals 0.3. Weight force on block 1 by EarthW1E = Tension force on block 1 by RopeT1R = Normal force on block 1 by SurfaceN1S = Frictional force on block 1 by Surfacef1S = What is the acceleration a of block 1?a =

A block with a mass of 5.07 kg is sliding down an inclined surface. The surface makes an angle of  16.3° relative to horizontal. The coefficients of static and kinetic friction are 0.740 and 0.333 respectively. What is the block's acceleration?

Problem 3: A 38.8-kg crate is being pushed at a constant speed by a force of 311 N at an angle of 29 degrees below the horizontal, as shown. Part (a) What is the coefficient of kinetic friction between the crate and the floor? Numeric : A numeric value is expected and not an expression. Uk = Part (b) If the force is pulling at 29 degrees above the horizontal instead of below, as shown, what is the acceleration of the crate in m/s2, assuming the coefficient of friction is the same as in the previous part? Numeric : A numeric value is expected and not an expression. a =

The figure shows three crates being pushed over a concrete floor by a horizontal force F of magnitude 695 N. The masses of the crates are m₁ = 31.5 kg, m₂ = 13.9 kg, and m3 = 20.2 kg. The coefficient of kinetic friction between the floor and each of the crates is 0.700. What is the magnitude F32 of the force on crate 3 from crate 2? m1 mq mg

A block is sliding down a ramp at an angle of 0 = 16° to the horizontal. Its initial speed is 2.8 m/s. After sliding 13.6 m along the ramp, it comes to a rest. What is the coefficient of kinetic friction, µ., between the block and the ramp? Ө

Consider an object on an incline where friction is present. The angle between the incline and the horizontal is θ and the coefficient of kinetic friction is μk. a.)  Find an algebraic expression for the acceleration of this object. Treat down the incline as the positive direction. b.) Calculate the acceleration, in meters per second squared, of this object if θ = 31° and μk = 0.34. Treat down the incline as the positive direction.

A 489-kg crate is placed on an adjustable inclined plane. As one end of the incline is raised, the crate begins to move downward. If the crate slides down the plane with an acceleration of 0.08 m/s2 when the incline angle is 31°, what is the coefficient of kinetic friction between ramp and crate? (g = 9.8 m/s2)

A 4 kg block is sliding down a vertical wall while being pushed by an external force as shown in the figure. What is the magnitude of the acceleration of the block (in m/s2) if the coefficient of kinetic friction between the wall and the block is uj, = 0.20 and the magnitude of the external force is 20 N? 4 kg 30 X 8.8