A child pushes on a playground gate at a point from its hinges

PHYSICS · Multi-part · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A child pushes on a playground gate at a point 75 cm75\,\text{cm} from its hinges. The push is applied exactly perpendicular to the plane of the gate with a force of 25 N25\,\text{N}. (a) Convert the distance from the hinges into meters. (b) Calculate the magnitude of the torque exerted on the gate by the child’s push. Express your answer in newton–metres.

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