A man is attempting, unsuccessfully, to push a heavy box up a rough inclined plane. His applied force is parallel to the plane. Draw a force diagram showing all the forces on the box. You should name each force as precisely as possible, either on the diagram or separately.
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- Three cables are used to tie the balloon shown in Figure. Determine the magnitude of the vertical force (P) exerted by the balloon at A, knowing that the tension in cable AD is 954 N. y1 = 4.4 m y2 = 2.2 m x1 = 4.2 m x2 = 3 m z = 6 mA crate sits on a horizontal floor that has µk is not equal 0.You push the crate with a horizontal force. Draw a FBD of the crate, and label all of the forces.A 5.95 kg block is sitting on a level floor. A person is pulling on a rope attached to the block at a 34.84 degree angle above the horizontal (see figure). The force exerted by the person is 7.33 N. What is the normal force acting on the block from its contact with the floor?
- A traffic light weighing 90.3 newtons is hung from two cables as shown in the attached figure. Determine the magnitude of the tension force applied by the weight of the traffic light on each of the cables. Write the answer in newtons using three significant figures.The diagram below is a top-down view of two children pulling a 11.6-kg sled along the snow. The first child exerts a force of F1 = 10 N at an angle ?1 = 45° counterclockwise from the positive x direction. The second child exerts a force of F2 = 6 N at an angle ?2 = 30° clockwise from the positive x direction. (A) Find the magnitude (in N) and direction of the friction force acting on the sled if it moves with constant velocity. magnitude = ? direction (counterclockwise from the +x-axis) = ? (B) What is the coefficient of kinetic friction between the sled and the ground? (C) What is the magnitude of the acceleration (in m/s2) of the sled if F1 is doubled and F2 is halved in magnitude?Four forces act on an object, given by A = 47.3 N east, B = 37.3 N north, C = 78.7 N west, and D = 80.7 N south. (Assume east and north are directed along the +x-axis and +y-axis,respectively.) (a) What is the magnitude of the net force (in N) on the object? (b) What is the direction of the force? (Enter your answer in degrees counterclockwise from the +x-axis.) ° counterclockwise from the +x-axis
- Three cables are used to tie the balloon shown in Figure. Determine the magnitude of the vertical force (P) exerted by the balloon at A, knowing that the tension in cable AD is 1.099 N. y1 = 4.3 m y2 = 2.2 m x1 = 4.4 m x2 = 3.1 m z = 5.8 mFour forces act on an object, given by A = 38.3 N east, B = 45.3 N north, C = 70.7 N west, and D = 88.7 N south. (Assume east and north are directed along the +x-axis and +y-axis, respectively.) (a) What is the magnitude of the net force (in N) on the object? (b) What is the direction of the force? (Enter your answer in degrees counterclockwise from the +x-axis.)As you will see in a later chapter, forces are vector quantities, and the total force on an object is the vector sum of all forces acting on it. In the figure below, a force F, of magnitude 6.70 units acts on a crate at the origin in a direction 0 = 26.0° above the positive x-axis. A second force F, of magnitude 5.00 units acts on the crate in the direction of the positive y-axis. Find graphically the magnitude and direction (in degrees counterclockwise from the +x-axis) of the resultant force F, + F,. magnitude units direction Counterciockwise from the +x-axis
- A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 28.0 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.A person whose mass is m = 58.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle a = 33.3° with the horizontal. What is the reading on the scale? kg reading: