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The friction force is enough to keep it where it is. The reaction force R is at right angles to the ramp. The box is not accelerating, so the forces are in balance: The kg mass creates a downward force due to Gravity: W = kg × m/s 2 = N. We can use SOHCAHTOA to solve the triangle. Friction f: sin(20°) = f/ N. f = sin(

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For example, consider a system consisting of an object that is being lowered vertically by a string with tension, T, at a constant www.crhistory.ru system has a constant velocity and is therefore in equilibrium because the tension in the string, which is pulling up on the object, is equal to the weight force, mg ("m" is mass, "g" is the acceleration caused by the gravity of Earth), which is. Balanced forces are forces where the effect of one force is cancelled out by another. A tug of war, where each team is pulling equally on the rope, is an example of balanced forces. 93 The normal force, for example, is responsible for the structural integrity of tables and floors as well as being the force that responds whenever an external force pushes on a solid object. An example of the normal force in action is the impact force on an object crashing into an immobile surface. The unbalanced force that accelerates.