Questions
A uniform force of newton acts on a particle of mass 2 kg. Hence the particle is displaced from position meter to position meter. The work done by the force on the particle is
detailed solution
Correct option is B
W=F→⋅S→=(3i^+j^)⋅[(4−2)i^+(3−0)j^+(−1−1)k^]=(3i^+j^)⋅(2i^+3j^−2k^)=3(2)+1(3)+0(−2)=9JTalk to our academic expert!
Similar Questions
A body of mass 300 kg is moved through 10m along a smooth inclined plane of angle 300. The work done in
moving (in joules) is (Take, g = 9.8 ms-2)
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