Consider four different oscillating systems, indexed using . each system consists of a block of mass moving at speed on a frictionless surface while attached to an ideal, horizontally fixed spring with a force constant of . let denote the displacement of the block from its equilibrium position. order the systems from largest total mechanical energy to smallest. 1) m1= 0.5kg k2=500 n/m amplitude a = 0.02 m

2)m2= 0.6kg k2=300 n/m v2= 1 m/s . when passing through equilibrium

3) m3= 1.2kg k3=400 n/m v3= 0.5 m/s . when passing through x= -0.01 m

4) m4= 2 kg k4=200 n/m v4= 0.2 m/s . when passing through x=-0.05 m

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the order for strong to weak forces such as

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force

the fundamental forces are those forces that act between to objects or element to make interactions. there are four types of fundamental forces such as strong and weak nuclear forces (due to protons and electrons), electromagnetic force (due to the motion of electrons) and gravitational force (due to orbital movement of the planet). if these forces are arranged on the basis of their maximum strength then the order is

strong nuclear force → electromegnetic force → weak nuclear force → gravitational force