A constant force of 15 N in the negative y direction acts on a particle as it moves from the origin to the point $( 3 \hat{ \mathbf { i } } + 3 \hat { \mathbf { j } } - 1 \hat { \mathbf { k } } )$ m.How much work is done by the given force during this displacement?
A)+45 J
B)-45 J
C)+30 J
D)-30 J
E)+75 J

Question

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The Answer of A constant force of 15 N in the negative y direction acts on a particle as it moves from the origin to the point $( 3 \hat{ \mathbf { i } } + 3 \hat { \mathbf { j } } - 1 \hat { \mathbf { k } } )$ m.How much work is done by the given force during this displacement?
A)+45 J
B)-45 J
C)+30 J
D)-30 J
E)+75 J

A Constant Force of 15 N in the Negative Y (3i^+3j^−1k^)( 3 \hat{ \mathbf { i } } + 3 \hat { \mathbf { j } } - 1 \hat { \mathbf { k } } )(3i^+3j^​−1k^)

A Constant Force of 15 N in the Negative Y $( 3 \hat{ \mathbf { i } } + 3 \hat { \mathbf { j } } - 1 \hat { \mathbf { k } } )$