Kelvi

Find the torque about the origin when a force of $3\hat{j}$ N acts on a particle whose position vector is $2\hat{k}$ m.

easy

System of Particles and Rotational Motion

2020

physics

$6\hat{j}$ N m

$-6\hat{i}$ N m

$6\hat{k}$

Explanation

To find the torque about the origin, we use the formula: $\\$ Torque $(\tau) = r \times F \\$ where $r$ is the position vector and $F$ is the force vector. $\\$

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Find the torque about the origin when a force of 3j^ 3\hat{j} 3j^​ N acts on a particle whose position vector is 2k^ 2\hat{k} 2k^ m.

Explanation

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Find the torque about the origin when a force of $3\hat{j}$ N acts on a particle whose position vector is $2\hat{k}$ m.