A force of 841 N shown in the figure is required to give a 450-kg mass...
A force of 841 N shown in the figure is required to give a 450-kg mass an acceleration of 0.900 m/s2. Find the force that is produced by the kinetic friction. What is the coefficient of the kinetic friction? The angle between F and the horizontal is 20o.
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A force of 841 N shown in the figure is required to give a
450-kg mass...
A block of mass m-5.9 kg is pulled up a -24 incline as in the figure...
A block of mass m-5.9 kg is pulled up a -24 incline as in the figure below with a force of magnitude F 33 N (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration) m/s2 (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration. m/s2
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg.
A horizontal force, F1=55 N, and a force, F2 = 17.6 N acting at an angle of θ with respect to the x-axis, as shown, are applied to a block of mass m=2.4 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the right.Part (a) Solve numerically for the magnitude of the normal force, FN in newtons, that acts on the block if θ = 30°. Part (b) Solve...
1. A force acts on a 2 kg mass and gives it an acceleration of 3...
1. A force acts on a 2 kg mass and gives it an acceleration of 3 m/s2. What acceleration is produced by the same force when acting on a mass of: a) 1 kg (ans = 6) 2. A horizontal force of 200 N is required to cause a 15 kg block to slide up a 20 degree incline with an acceleration of 0.25 m/s2. Find: a) the friction force on the block (ans = 134 N) b) the coefficient...
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the f...
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant (a) (b) (c) (d) Calculate the total energy expended in the acceleration. Plot a graph of the kinetic...
+ -/1 points My Notes 4 A block of mass m = 5.10 kg is pulled...
+ -/1 points My Notes 4 A block of mass m = 5.10 kg is pulled up a 0 = 24.0° incline as in the figure below with a force of magnitude F = 37.0 N. (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.) 6.63 m/s2 (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.120. (Give the magnitude of...
Question 12 (1 point) A 50.0-kg box is resting on a horizontal floor. A force of...
Question 12 (1 point) A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box? OA) 3.54 m/s2 OB) 5.14 m/s2 OC) 2.84 m/s2 OD) 1.21 m/s2 E) 1.77 m/s2 Question 13 (1 point) A 50.0-kg box is resting on a horizontal floor....
A 1300 N crate is being pushed across a level floor at a constant speed by...
A 1300 N crate is being pushed across a level floor at a constant speed by a force F of 400 N at an angle of 20° below the horizontal as shown in Figure P4.37a. NI (a) Figure P4.37 (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 400 N force is instead pulling the block at an angle of 20° above the horizontal as shown in Figure P4.37b, what will be...
A 2.74 kg block is pushed 1.41 m up a vertical wall with a constant speed...
A 2.74 kg block is pushed 1.41 m up a vertical wall with a
constant speed by a constant force of magnitude F applied at an
angle of 66.3 with the horizontal. The acceleration of gravity is
9.8 m/s2. If the coefficient of kinetic friction between the block
and wall 0.415, find the work done by F.
A 2.74 kg block is pushed 1.41 m up a vertical wall with a constant speed by a constant force of magnitude F...
2) A 35.0 kg crate is being push across a horizontal floor with a force F...
2) A 35.0 kg crate is being push across a horizontal floor with
a force F = 150 N that makes an angle θ = 29.0° with the horizontal
as illustrated in the figure below. Find the magnitude of the
acceleration of the crate, given that the coefficient of kinetic
friction between the crate and the floor is 0.20.
3) A 7.00 kg block is pressed against a vertical wall by a force
(→F), as shown in the figure below....
The figure below shows a block with mass m = 5.3 kg pulled up a ramp...
The figure below shows a block with mass m = 5.3 kg pulled up a ramp inclined at an angle of 6 = 28° with a force of magnitude F = 33 N parallel to the ramp. m (a) If there is no friction between the block and the ramp, what is the magnitude of the block's acceleration (in m/s2)? 1.485 Draw a free-body diagram. What forces act on the block? Let the x-axis be parallel to the incline. What...
A block of mass m-5.9 kg is pulled up a -24 incline as in the figure below with a force of magnitude F 33 N (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration) m/s2 (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration. m/s2
A horizontal force of 80 N acts on a mass of 6 kg resting on a horizontal surface, as shown in Figure 5. The mass is initially at rest and covers a distance of 5 m in 0.92 s under the action of the force. Assuming there are no energy losses due to air resistance and therefore that the acceleration is constant (a) (b) (c) (d) Calculate the total energy expended in the acceleration. Plot a graph of the kinetic...
+ -/1 points My Notes 4 A block of mass m = 5.10 kg is pulled up a 0 = 24.0° incline as in the figure below with a force of magnitude F = 37.0 N. (a) Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration.) 6.63 m/s2 (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.120. (Give the magnitude of...
Question 12 (1 point) A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box? OA) 3.54 m/s2 OB) 5.14 m/s2 OC) 2.84 m/s2 OD) 1.21 m/s2 E) 1.77 m/s2 Question 13 (1 point) A 50.0-kg box is resting on a horizontal floor....
A 1300 N crate is being pushed across a level floor at a constant speed by a force F of 400 N at an angle of 20° below the horizontal as shown in Figure P4.37a. NI (a) Figure P4.37 (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 400 N force is instead pulling the block at an angle of 20° above the horizontal as shown in Figure P4.37b, what will be...
A 2.74 kg block is pushed 1.41 m up a vertical wall with a
constant speed by a constant force of magnitude F applied at an
angle of 66.3 with the horizontal. The acceleration of gravity is
9.8 m/s2. If the coefficient of kinetic friction between the block
and wall 0.415, find the work done by F.
A 2.74 kg block is pushed 1.41 m up a vertical wall with a constant speed by a constant force of magnitude F...
2) A 35.0 kg crate is being push across a horizontal floor with
a force F = 150 N that makes an angle θ = 29.0° with the horizontal
as illustrated in the figure below. Find the magnitude of the
acceleration of the crate, given that the coefficient of kinetic
friction between the crate and the floor is 0.20.
3) A 7.00 kg block is pressed against a vertical wall by a force
(→F), as shown in the figure below....
The figure below shows a block with mass m = 5.3 kg pulled up a ramp inclined at an angle of 6 = 28° with a force of magnitude F = 33 N parallel to the ramp. m (a) If there is no friction between the block and the ramp, what is the magnitude of the block's acceleration (in m/s2)? 1.485 Draw a free-body diagram. What forces act on the block? Let the x-axis be parallel to the incline. What...
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