A 3.0m beam of negligible weight is balancing in equilibrium with a fulcrum placed 1.0m from its left end. If a force of 30.N is applied on its right end, how much force would need to be applied to the left end?

explanation: in any substance/object, the particles inside it (atoms/molecules) constantly move in random directions and with random speeds (this motion is called brownian motion). as a result, the particles have some kinetic energy (which is proportional to the temperature of the substance).

explanation:

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i don't understand is there any other way you can rephrase it plz let me know in the comments and i will do it.

explanation:

d eras and periods

answer; how far out of place which the object finished relative to the starting location;