Describe a force action and reaction pair for the following systems. (a) An iceberg is floating at rest in the ocean. (b) A raindrop is in freefall descending through the atmosphere. (c) A magnet is stuck to the side of a refrigerator.
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Describe a force action and reaction pair for the following systems.
(a) An iceberg is floating at rest in the ocean.
(b) A raindrop is in freefall descending through the atmosphere.
(c) A magnet is stuck to the side of a refrigerator.
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- Problem 1: Two trains pass each other in opposite directions in close proximity on parallel tracks. A close look shows that a mysterious force causes the two trains to slightly "Ilean" into each other. Explain why this occurs. Justify your answer.An object of mass m = 1.00 kg is observed to have an acceleration of a with a magnitude of 23.6 m/s² in a direction 0 = 63.5° east of north. The figure below shows a view of the object from above. The force F₂ acting on the object has a magnitude of 10.5 N and is directed north. Determine the magnitude and direction of the force F₁ acting on the object. 2 1 N magnitude direction East m F₁A black aluminum glider floats on a film of air above a level aluminum air track. Aluminum feels essentially no force in a magnetic field, and air resistance is negligible. A strong magnet is attached to the top of the glider, forming a total mass of 240 g. A piece of scrap iron attached to one end stop on the track attracts the magnet with a force of 0.823 N when the iron and the magnet are separated by 2.50 cm. (a) Find the accelerationof the glider at this instant. (b) The scrap iron is now attached to another green glider, forming total mass 120 g. Find the acceleration of each glider when the gliders are simultaneously released at 2.50-cm separation.
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