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Two equal forces F and F makes an angle of 180° with each other. These forces act on a single body. What is the magnitude of their resultant?
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- 1. Determine the resultant vector of the three couples +20 N.m, -30 N.m, and 100 N.m acting respectively in the xy, yz, and xz planes.The sum of the forces in the X direction on a solid is 300 Newtons and the sum of the forces in the Y direction on this body is 400 Newtons. Find the magnitude of the resultant force acting on this object.A persons head is bent over a book. The head weighs P=37.2 N and is supported by the muscle force Fm exerted by the neck extensor muscles and by the contact force Fc excerted at the atlantooccipital joint. Given that the magnitude of Fm is 60.0 N and is directed 35.0 degree below the horizontal. Find the direction of the contact force Fc. If the direction is below the horizontal, enter a negative value.
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