Physics

Problem

Which of the following force-displacement combinations results in zero work done on the object by the stated force? a) A

10\,\text{N}

force directed opposite to a

4\,\text{m}

displacement b) A

10\,\text{N}

force that makes a

60^{\circ}

angle with a

4\,\text{m}

displacement c) A

10\,\text{N}

force that remains perpendicular to a

4\,\text{m}

displacement d) A

10\,\text{N}

force directed along a

4\,\text{m}

displacement