Statement 1- -r-F and - -r-FStatement 2- Cross product of vector is commutative

The correct option is C d) Statement 1 is true, Statement 2 is false.We know that A⃗×B⃗≠B⃗×A⃗ #160; because cross product is non commutative. Thus sta ...

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Standard XII

Physics

Introduction

Statement 1: ...

Question

Statement 1: $\to τ = \to r \times \to F$ and $\to τ \neq - \to r \times \to F$
Statement 2: Cross product of vector is commutative

a) Statement -1 is false , Statement- 2 is true.

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b) Statement-1 is true, Statement-2 is true , Statement-2 is a correct explanation for statement-1

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c)Statement-1 is true , Statement-2 is true; Statement-2 is not a correct explanation for statement-1

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d) Statement -1 is true, Statement-2 is false.

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Solution

The correct option is C d) Statement -1 is true, Statement-2 is false.
We know that $\to A \times \to B \neq \to B \times \to A$ because cross product is non commutative. Thus statement 1 is true while 2 is false.

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Statement 1: →τ=→r×→F and →τ≠−→r×→FStatement 2: Cross product of vector is commutative

The correct option is C d) Statement -1 is true, Statement-2 is false.We know that →A×→B≠→B×→A because cross product is non commutative. Thus statement 1 is true while 2 is false.

Statement 1: $\to τ = \to r \times \to F$ and $\to τ \neq - \to r \times \to F$
Statement 2: Cross product of vector is commutative

The correct option is C d) Statement -1 is true, Statement-2 is false.
We know that $\to A \times \to B \neq \to B \times \to A$ because cross product is non commutative. Thus statement 1 is true while 2 is false.