Given that \(\vec{F}=2\hat i+3\hat j\) is force and \(\vec{r}=3\hat i-2\hat j\) is the displacement vector. Which of the following statements is correct?
1. Work done is zero, torque is \(13\) units.
2. Work done is \(13\) units, torque is zero.
3. Both work done and torque are zero.
4. Both work done and torque are \(13\) units.
Subtopic:  Work done by constant force |
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Given below are two statements: 
Assertion (A): The work done on bringing a body down from the top to the base along a frictionless inclined plane is the same as the work done in bringing it down the vertical side.
Reason (R): The gravitational force on the body along the inclined plane is the same as that along the vertical side.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Work done by constant force |
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