
Problem#2 (10 points): A box of mass 7.5 kg is accelerating from rest along a horizontal...
Inclined Plane ProblemsProblem 1:Suppose, as shown in the figure, that a 70-kg box is pulled by a 400-N force at an angle of 30° to the horizontal. The coefficient of sliding friction is 0.50. Find the acceleration of the box.
A box of mass m = 5.0 kg initially at rest is being pulled along a smooth horizontal surface by a rope that makes an angle of 30° with the horizontal and exerts a force of 20 N on the box. Determine the – a) acceleration of the box and – b) the normal force.
Question 5.1a The figure shows a box of mass m-4.80 kg puled to the right across a horontal surface by a constant tension force of magnitude r·30.0 N. The tension fren inclined at an angle θ-24.0° above the horizontal and the friction force has magnitude 4-14.0 N. The box is pulled a distance d·1.55-. Determine the work done on the box by the tension force, the normal force, and the kinetic friction ferce. we'l use Wr W,r and w, to...
FP 30.0° ÈN The 10.0-kg box is now pulled along a horizontal surface by a force of 40.0 N applied at a 30.0° angle above horizontal. The coefficient of kinetic friction remains at 0.30. Calculate its acceleration. What would be the coefficient of static friction? Ffr mg
2.
A block of mass 3.0 kg rests on an inclined planw that makes an
angle with the horizontal of 25...(pic)
4. A man weighs an apple with a string scale attached to the
ceiling of an elevator...(pic)
9. A diver weighing 600 N drops from a board h meters above
the surface of the water...(pic)
10. A block with a mass of 5.0 kg is attached to a horizontal
spring with a spring constant 300 N/m...(pic)
2. A block...
iv) Find the final velocity of a 15.0 kg box if it starts from rest and it slides freely (with no applied forces) for 1.89 meters down an inclined plane that makes a 16.2° angle with the horizontal and the coefficient of friction is 0.121
A8 kg box is being pulled across a horizontal surface. The pulling force has a magnitude of 55 N and acts at an angle of 30° above the horizontal. The coefficient of kinetic friction between the surface and box is 0.2. What is the normal force acting on the box?
1. A block of mass m = 5.0 kg is pulled along a horizontal floor or up the ramp by a force of magnitude F = 50 N. The coefficient of kinetic friction between the block and surface is 0.15 and the magnitude of the angle θ = 25.0°. (a) Make a free-body diagram of the block for each case. (b) Calculate the magnitude of the normal force and kinetic friction force for each case. (c) Calculate the acceleration of...
A box with a mass of 5 kg is on a horizontal table. The coefficient of static friction between the box and the table is 0.72, and the coefficient of kinetic friction is 0.59. A child pulls on the box with a force of 55 N in the positive horizontal direction . a. Does the box move? If so, what is the acceleration of the box? b. What is the maximum force with which the child can pull without moving...
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...