Homework Answers
5) A motor is used to drag a 250 kg box a distance of 6.0 m...
5) A motor is used to drag a 250 kg box a distance of 6.0 m along a level floor with a coefficient of kinetic friction of o.35 at a constant speed of 3.2 m/s. Find the power of the motor.
A box with a mass of 8.67 kg slides up a ramp inclined at an angle...
A box with a mass of 8.67 kg slides up a ramp inclined at an angle of 28.3° with the horizontal. The initial speed is 1.66 m/s and the coefficient of kinetic friction between the block and the ramp is 0.48. Determine the distance the block slides before coming to rest. m As shown in the figure below, a box of mass m = 35.0 kg is sliding along a horizontal frictionless surface at a speed vi = 5.55 m/s...
A 5.00 kg box sits on a ramp that is inclined at 37.3 ∘ above the...
A 5.00 kg box sits on a ramp that is inclined at 37.3 ∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.27. What horizontal force is required to move the box up the incline with a constant acceleration of 4.30 m/s2 ?
You slide a box of books at constant speed up a 30 ∘ ramp, applying a...
You slide a box of books at constant speed up a 30 ∘ ramp, applying a force of 210 N directed up the slope. The coefficient of sliding friction is 0.18. 1.How much work have you done when the box has risen 1 m vertically? 2.What is the mass of the box?
1ST Question2ND Question A box starts to slide down from a rough inclined plane at an...
1ST Question2ND Question
A box starts to slide down from a rough inclined plane at an initial height of h = 2.1 m as shown below. The box starts sliding from rest (the initial speed is zero) and reaches the bottom of the plane at a final speed of 3.3 m/s. The inclination angle is 0 = 11°. Find the friction coefficient p between the box and the plane by following the steps listed below. g V.=0 а IIIIIIII M...
A box with a mass of 10 kg is pushed with a constant force of 100...
A box with a mass of 10 kg is pushed with a constant force of 100 N a distance of 3.0 m up a ramp that makes an angle of 30 from the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.35. a. Compute the work done by each of the four forces acting on the box. b. Assuming the box starts at rest, determine the speed of the box at it reaches a distance...
A 7.55-kg box is pulled up a ramp that is inclined at an angle of 39.0°...
A 7.55-kg box is pulled up a ramp that is inclined at an angle of 39.0° with respect to the horizontal, as shown below. The coefficient of kinetic friction between the box and the ramp is 0.145, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of 3.09 m/s2, what must the tension Fr in the rope be? Use g 9.81 m/s2 for the acceleration due to gravity....
05-kg box is pulled up a ramp that is inclined at an angle of 33.0° with...
05-kg box is pulled up a ramp that is inclined at an angle of 33.0° with respect to the horizontal, as nown below. The coefficient of kinetic friction between the box and the ramp is 0.195, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of 2.49 m/s2, what must the tension Fr in the rope be? Use g- 9.81 m/s2 for the acceleration due to gravity a-2.49...
Problem#5: A box with mass 12,0 kg moves on a ramp that is inclined at an...
Problem#5: A box with mass 12,0 kg moves on a ramp that is inclined at an angle of 60.0 above the horizontal. The coefficient of kinetic friction between the box and the ramp surface is M = 0.380. a) Draw a free body diagram b) Express all required equations c) Calculate the magnitude of the acceleration of the box if you push on the box with a constant 150.0 N that is parallel to the ramp surface and directed down...
A 5.80-kg box sits at rest at the bottom of a ramp that is 8.20 m...
A 5.80-kg box sits at rest at the bottom of a ramp that is 8.20 m long and that is inclined at 40.0 ∘ above the horizontal. The coefficient of kinetic friction is μk = 0.40, and the coefficient of static friction is μs = 0.43. What constant force F , applied parallel to the surface of the ramp, is required to push the box to the top of the ramp in a time of 4.00 s ? Express your...
5) A motor is used to drag a 250 kg box a distance of 6.0 m along a level floor with a coefficient of kinetic friction of o.35 at a constant speed of 3.2 m/s. Find the power of the motor.
1ST Question2ND Question
A box starts to slide down from a rough inclined plane at an initial height of h = 2.1 m as shown below. The box starts sliding from rest (the initial speed is zero) and reaches the bottom of the plane at a final speed of 3.3 m/s. The inclination angle is 0 = 11°. Find the friction coefficient p between the box and the plane by following the steps listed below. g V.=0 а IIIIIIII M...
A 7.55-kg box is pulled up a ramp that is inclined at an angle of 39.0° with respect to the horizontal, as shown below. The coefficient of kinetic friction between the box and the ramp is 0.145, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of 3.09 m/s2, what must the tension Fr in the rope be? Use g 9.81 m/s2 for the acceleration due to gravity....
05-kg box is pulled up a ramp that is inclined at an angle of 33.0° with respect to the horizontal, as nown below. The coefficient of kinetic friction between the box and the ramp is 0.195, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of 2.49 m/s2, what must the tension Fr in the rope be? Use g- 9.81 m/s2 for the acceleration due to gravity a-2.49...
Problem#5: A box with mass 12,0 kg moves on a ramp that is inclined at an angle of 60.0 above the horizontal. The coefficient of kinetic friction between the box and the ramp surface is M = 0.380. a) Draw a free body diagram b) Express all required equations c) Calculate the magnitude of the acceleration of the box if you push on the box with a constant 150.0 N that is parallel to the ramp surface and directed down...
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