You push a 67 kg box across a floor where the coefficient of kinetic friction is uk =
6. A person wants to push a 110-kg box across the floor. The coefficient of friction between the box and the floor is 0.61. a. What is the normal force experienced by the box at rest(N)? b. If the person pushes against the box with 500N of force but at an angle of 20 relative to the horizontal, what is the normal force experienced by the box in (N)? c. With no applied force, what is the frictional force of...
I push a 16.5-kg box across a floor, which has a kinetic frictional force of Ff = 27.5 N. If my push of FA = 32 N gives it an acceleration of 0.35 m/s2, what is the coefficient of kinetic friction?
If the coefficient of kinetic friction between a 33.0 kg crate and the floor is 0.360, what horizontal force is required to move the crate at a steady speed across the floor?
A 2.40-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.480. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 1.20 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 1.20 m/s2.
A 3.10-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.460. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.30 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.30 m/s2. N
A 2.00-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.440. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator is stationary. N (b) The elevator is accelerating upward with an acceleration whose magnitude is 2.00 m/s2. N (c) The elevator is accelerating downward with an acceleration whose magnitude is 2.00 m/s2. N
1.A box is given a push so that it slides across the floor.How far will it go, given that the coefficient of kinetic friction is 0.20 and the push imparts an initial speed of 3.0m/s? 2.A 14.0 −kg box is released on a 38 ∘ incline and accelerates down the incline at 0.25 m/s2 . a.Find the friction force impeding its motion. b.What is the coefficient of kinetic friction? 3.Consider the system shown in the figure.Block A has weight 5.4...
You need to push a heavy box across a rough floor, and you want to minimize the average force applied to the box during the time the box is being pushed. Which method for pushing results in the minimum average force being applied to the box? Keep pushing the box forward at a steady speed, Push the box forward a short distance, rest, then repeat until finished, Push the box so that it accelerates forward at a constant rate. This...
A box of mass 40 kg is initially at rest on a flat floor. The coefficient of kinetic friction between the box and the floor is µk = 0.40. A woman pushes against the box with a force of 250 N that makes an angle of 30° with the horizontal until the box attains a speed of 1.0 m/s. (a) What is the change of kinetic energy of the box? (b) What is the work done by the friction force...
A 20 kg box s initially at rest. Two forces drag. it across the floor, F_1 = 35 N i and F_2 = 35 N j, which cause a displacement of 3.5 m Imagine the x-y plane lies on the floor. (a) Draw the displacement vector and show (no need to calculate) the direction in which the package moves? (b) How much work is done by each force individually (F_1 and F_2)? (c) The coefficient of kinetic friction between the...