A 200. kg box is pulled at constant speed by the little engine pictured below.  The box moves a distance of 2.5 m across a horizontal surface.   How much energy is transferred by the engine?

What type of motion would occur if the engine pulled with a force of 500 N?  Modify your force diagram and apply Newton's 2nd Law.

  How far could the box in problem 5 be pulled at constant velocity with the expenditure of 8,000 J of energy?

heat the gas and measure the pressure

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

root word, prefixes, and suffixes

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