The weight of an object is measured in the air to be 5kN .the object is immersed in water and its apparent
weight is measured to be 2000N. How about the object
A. it will sink
B. it will rise up through the water
C. it will float
D. none

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?