physics
A 10.4 kg child sits in a 4.1 kg high chair.
(a) Find the normal force exerted by the chair on the child.
N
(b)Find the normal force exerted by the floor on the chair.
kN
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Answers
The normal force exerted by the floor on the chair is equal to the weight of the child (10.4 kg) plus the weight of the chair (4.1 kg), or 14.5 kN. This is the force that is needed to keep the chair and child in equilibrium, counteracting the force of gravity.
