Consider a Cartesian frame of reference (x, y) in the plane. A case moves along the y-axis, under the effect of a force . If the work done by force is worth , what can be said of force ? The work is given by the scalar product between the force and the displacement

(d) Non si può dire nulla sulla forza

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Consider a Cartesian frame of reference (x, y) in the plane. A case moves alo...

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Consider a Cartesian frame of reference (x, y) in the plane. A case moves $4 \, \mathrm{m}$ along the y-axis, under the effect of a force $\vec{F} = F_x \hat{i} + F_y \hat{j}$ . If the work done by force is worth $16 \, \mathrm{J}$ , what can be said of force $\vec{F}$ ?