Question 3: In order to determine the force of friction and the coefficient of kinetic friction,...
2. A lawnmower of mass M = 6.5 kg moves across a lawn with a coefficient of friction Hk. The lawnmower is being pushed by a force, Fn = 36 N, along its handle which makes an angle 8 = 25° with the horizontal. If the lawnmower is moving at a constant velocity, what is the coefficient of friction, ik?
The coefficient of kinetic friction between the inclined plane and the block is 0.7. The has a mass of 15 Kq. It is observed that when the block passes a point located 2 ong the plane, it is moving at a velocity of 1.6 m/sec. a) What is the normal force of the block? b) What is the friction force acting on the block? c) What is the acceleration of the block? d) What is the velocity of the block...
8) The coefficient of kinetic friction between the object and the table is uk= 0.150 Determine the acceleration of the object if the force of tension is 120 N and the mass of the block is 10.0 kg 45°
7) A crate is being pushed horizontally on a flat surface with kinetic friction coefficient µk = 0.28. The push force is 36 N and its acceleration is 1.2 m/s2 , a) Draw a free-body diagram and write both components of Newton’s Second Law. b) Replace into one equation from the other one and solve it to find the crate’s mass.
A 1,440-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal;(a) What is the coefficient of kinetic friction between the crate and the floor?(b) If the 250-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in the figure (b), what will be the acceleration of the crate? Assume that the coefficient of friction is the...
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...
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°
A 3.00 kg block that has a coefficient of kinetic friction of 0.350 and is initially moving at a constant velocity of to the right. A 75.0 newton force is then applied to the block, toward the right, at an angle of 200 above the horizontal. Find the following: a. Free body diagram IF b. The x and y components of the applied force. c. The frictional force on the block d. The acceleration of the block.
3) A box of 25 kg is pushed horizontally, with a force of 200 N, up a 37degrees (with respect to the horizontal) frictionless incline. a) Find the Normal force What is the acceleration of the box? b) Now if friction is present. What value of the coefficient of kinetic friction is necessary such that the box is pushed with constant velocity.
Please help me find the coefficient of kinetic and static friction of two masses (500kg and 300kg) show work please! Object description Mass (kg) Average of the Max force (N) Average of the average force (N) Static friction coefficient Kinetic friction coefficient Black hook weight 500 -0.09 -3.10 Black hook weight 300 -0.06 -2.15 thank you :)