A 60-kg uniform board 2.4 m long is supported by a pivot 80 cm from the left end and by a scale at the right end (see figure below). (a) How far from the left end should a 40-kg child sit for the scale to read zero? (b) How far from the left end should a 40-kg child sit for the scale to read 100 N?
Rotational Equilibrium And Rotational Dynamics
In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.
Equilibrium of Forces
The tension created on one body during push or pull is known as force.
A 60-kg uniform board 2.4 m long is supported by a pivot 80 cm from the left end and by a scale at the right end (see figure below).
(a) How far from the left end should a 40-kg child sit for the scale to read zero?
(b) How far from the left end should a 40-kg child sit for the scale to read 100 N?
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