A person pushes a box kept on a horizontal surface with force of $100\,N$ . In unit vector notation force $\vec F$ can be expressed as ?
A person pushes a box kept on a horizontal surface with force of $100\,N$ . In unit vector notation force $\vec F$ can be expressed as ?
- A
$100\,(\hat i + \hat j)$
- B
$100\,(\hat i - \hat j)$
- C
$50\sqrt 2\,(\hat i - \hat j)$
- D
$50\sqrt 2\,(\hat i + \hat j)$
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