- A Book Is At Rest On A Level Table A Cup Of Coffee Is At Rest On Top Of The Book How Many Forces Act On The Book One 1 (15.05 KiB) Viewed 40 times
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Which statement about normal forces is true? O Normal forces are always vertical. The magnitude of a normal force is always equal to the weight of the object it acts on. Normal forces are the most natural forces that exist. Normal forces can point in any direction, and may have any magnitude.
A crate is being pulled up a ramp by a rope. Neglecting air resistance, how many forces are acting on the crate? O one two O three four
A man is pushing a 130-kg crate across the floor with a horizontal force of 240 N directed along the positive x axis. The coefficient of kinetic friction between the floor and the crate is 0.28. What is the crate's acceleration? m/s 2 Including the correct algebraic sign, the acceleration is 0