A force … is applied over a particle which displaces it from its origin to the point … The work done on the particle in joules is

Option B. The work done by a force on a particle is given by the dot product of the force and the displacement vector of the particle:

Work Power and Energy

JEE Main 2004 · Annual, Paper 1 · Q8615

PhysicsMedium70×since 2002Q8615

A force

\overrightarrow F = \left( {5\overrightarrow i + 3\overrightarrow j + 2\overrightarrow k } \right)N

is applied over a particle which displaces it from its origin to the point

\overrightarrow r = \left( {2\overrightarrow i - \overrightarrow j } \right)m.

The work done on the particle in joules is

JEE Main 2004 · Annual, Paper 1 · Q8615

PhysicsMedium70×since 2002Q8615

A force

\overrightarrow F = \left( {5\overrightarrow i + 3\overrightarrow j + 2\overrightarrow k } \right)N

is applied over a particle which displaces it from its origin to the point

\overrightarrow r = \left( {2\overrightarrow i - \overrightarrow j } \right)m.

The work done on the particle in joules is