Homework Answers
3) A box of 25 kg is pushed horizontally, with a force of 200 N, up...
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.
A 90.0 kg box is pushed by a horizontal force F at constant speed up a...
A 90.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 43.0 deg with the horizontal. Find the magnitude of the applied force F.
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor)...
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor) a distance d 2.50 m. The constant force exerted on the box makes an angle of 27.0° directed below the horizontal. If the work done by the mover is W 200J, find exerted force? 89.8 N a. b. 549 N 616 N C. d. 176 N?
3. A box having a mass equal to 10.0 kg is initially at rest on a...
3. A box having a mass equal to 10.0 kg is initially at rest on a horizontal, frictionless floor. A pulling force having a magnitude of 5.00 N is applied at an angle of 30.0° above the horizontal. The box is pulled a distance of 15.0 m. 7 ] = 5.00 N 30.0° (a) What is the work done by the pulling force? (b) What is the work done by gravity? (c) What is the work done by the normal...
1) Consider two boxes: box B, with a mass of 3kg, placed on top box A,...
1) Consider two boxes: box B, with a mass of 3kg, placed on top box A, with a mass of 10kg. If box A is pushed with a force of 70N, what is the force of friction on box B? The coefficients of friction between boxes A and B are µs = 0.7 and µk = 0.4, while friction is negligible between box A and the ground. 2) A 1.5kg box is pushed up a 30o incline with a force...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest from a height h = 1.75 m. After reaching the bottom of the incline the box slides with friction (uk = 0.25) along a horizontal surface until coming to a rest after a distance d. 1. Draw a free body diagram for the box while it is on the incline. Clearly label all forces with standard names. 2. Draw a free body diagram for...
Question 4 8 pts A box of mass m = 7 kg is being pushed up...
Question 4 8 pts A box of mass m = 7 kg is being pushed up a ramp that is angled 15 degrees above horizontal. The pushing force P = 49 N. The coefficient of kinetic friction is 0.215. At a certain time the velocity of the box moving up the ramp is 1.0 m/s. How far will the box been pushed during the next 3.0 seconds assuming the same pushing force is applied? In your solution you must show:...
A) A massless rope is tied to a 1.82 kg box sitting on a rough, horizontal...
A) A massless rope is tied to a 1.82 kg box sitting on a rough, horizontal surface. The rope is pulled with constant force F acting upward at an angle 15.8o to the horizontal. The coefficient of kinetic friction between the box and the surface is 0.217, and the box slides at constant speed along the table for a distance of 84.4 m. Find the total work done by F, in J. B)Josh, mass 143 kg, is racing against his...
Please solve 1D and 2 DEF. 1. A 20.0 kg box is pulled up an inclined...
Please solve 1D and 2 DEF.
1. A 20.0 kg box is pulled up an inclined ramp by a rope with tension of 150.0 N. The incline makes an angle of 30.0 above the horizontal. The rope is parallel to the ramp. There is a kinetic friction force of 30.0 N a. Draw a free body diagram of the box, listing all forces acting on the box. b. Find the work done by each force on the box. c. Find...
As shown in the figure below, a box of mass m = 51.0 kg (initially at...
As shown in the figure below, a box of mass m = 51.0 kg
(initially at rest) is pushed a distance d = 98.0 m across a rough
warehouse floor by an applied force of FA = 200 N directed at an
angle of 30.0° below the horizontal. The coefficient of kinetic
friction between the floor and the box is 0.100. Determine the
following. (For parts (a) through (d), give your answer to the
nearest multiple of 10.)
(a) work...
4. A box of mass m 56.0 kg is pushed along a horizontal floor (frictionless floor) a distance d 2.50 m. The constant force exerted on the box makes an angle of 27.0° directed below the horizontal. If the work done by the mover is W 200J, find exerted force? 89.8 N a. b. 549 N 616 N C. d. 176 N?
3. A box having a mass equal to 10.0 kg is initially at rest on a horizontal, frictionless floor. A pulling force having a magnitude of 5.00 N is applied at an angle of 30.0° above the horizontal. The box is pulled a distance of 15.0 m. 7 ] = 5.00 N 30.0° (a) What is the work done by the pulling force? (b) What is the work done by gravity? (c) What is the work done by the normal...
A box with mass m = 1.2kg on an inclined frictionless surface is released from rest from a height h = 1.75 m. After reaching the bottom of the incline the box slides with friction (uk = 0.25) along a horizontal surface until coming to a rest after a distance d. 1. Draw a free body diagram for the box while it is on the incline. Clearly label all forces with standard names. 2. Draw a free body diagram for...
Question 4 8 pts A box of mass m = 7 kg is being pushed up a ramp that is angled 15 degrees above horizontal. The pushing force P = 49 N. The coefficient of kinetic friction is 0.215. At a certain time the velocity of the box moving up the ramp is 1.0 m/s. How far will the box been pushed during the next 3.0 seconds assuming the same pushing force is applied? In your solution you must show:...
Please solve 1D and 2 DEF.
1. A 20.0 kg box is pulled up an inclined ramp by a rope with tension of 150.0 N. The incline makes an angle of 30.0 above the horizontal. The rope is parallel to the ramp. There is a kinetic friction force of 30.0 N a. Draw a free body diagram of the box, listing all forces acting on the box. b. Find the work done by each force on the box. c. Find...
As shown in the figure below, a box of mass m = 51.0 kg
(initially at rest) is pushed a distance d = 98.0 m across a rough
warehouse floor by an applied force of FA = 200 N directed at an
angle of 30.0° below the horizontal. The coefficient of kinetic
friction between the floor and the box is 0.100. Determine the
following. (For parts (a) through (d), give your answer to the
nearest multiple of 10.)
(a) work...
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