A5kg block is placed on top of a 10kg block. a horizontal force of 45n is applied to the 10kg block and the 5 kg block is tied to a wall. the cinematic moo(friction) of all the surfaces is 0.2.
a) draw the free body diagrams for each block and identify the forces of accion and reaccion between the blocks.
b) what is the tension of the rope tied to the 5kg block and what is the magnitude of acceleration of the 10kg block

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Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

When using the scientist method, which step comes last?