1) Identify which fundamental force is associated with;
Friction,
normal forces,
objects falling
planets in orbit,
ions circling in plasma
2) A mass of 14 kg is pulled with a net force of 42 Newtons north. What is its acceleration? If it starts from rest how fast is it moving after 3 seconds?. What was its average velocity during the 3 seconds? How far did it go?
3) What is the force on a tritium nucleus moving at 2 x10 6 m/s in magnetic field of 3 Tesla. What is the resulting acceleration? Does it make the tritium go faster or just change its direction to make it go in a circle?
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