Question

2.2 For the points P, Q and R the following location vectors are given, respectively The force vector F 2Ex acts on point Q Xa XP (a) Calculate the moment of the force F with respect to point P and with respect to point R. (b) Write the vectors, mentioned above, in column notation according to the right-handed orthonormal basis {ex-EyRA and calculate the moment of the force with respect to the points P and R by using Eq. (1.35)

Using the properties of the basis vectors of the Cartesian vector basis 弘5- 1.33) the vector product of a vectra and a vector b is directly computed by means of = (@ybl-@gbyJ&+ (az br-ar&art (Azby_ay b)民, 1.34) If by definition ãx B, then the associated column c can be written as:

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Answer #1

We know that moment of force is nothing but torque about the given point.

Also we know the formula ,

Which is torque = position vector * force vector * sin@

here @ = angle between postitop vector and force vector

ordispla«uwsut -う 2 2 つ(3%)x (26( ) 0-moment i2 erc e 0- 2 2 一乙 92 乙 Venて רס COR 2Rate my work...thanks

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