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An object is displaced from position ve...

An object is displaced from position vector `vec(r)_(1) = (2 hat(i) + 3 hat(j)) m` to `vec(r)_(2) == (4 hat(j) + 6 hat(k))m` under a force `vec(F) = (3 x^(2) hat(i) + 2y hat(j)) N`. Find the. work done this force.

Answer

Step by step text solution for An object is displaced from position vector vec(r)_(1) = (2 hat(i) + 3 hat(j)) m to vec(r)_(2) == (4 hat(j) + 6 hat(k))m under a force vec(F) = (3 x^(2) hat(i) + 2y hat(j)) N. Find the. work done this force. by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.

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An object is displaced from position vector vec(r_(1)) = (2hat(i) + 3 hat(j)) m "to" vec(r_(2)) = (4 hat(i) + 6 hat(j)) m under a force vec(F) = (3x^(2) hat(i) + 2y hat(j)) N. Find the work done by this force.

A body is displaced from vec r_(A) =(2hat i + 4hatj -6hat k) to vecr_(B) = (6hat i -4hat j +3 hat k) under a constant force vec F = (2 hat i + 3 hat j - hat k) . Find the work done.

Knowledge Check

  • An object has a displacement from position vector vecr_(1) = (2 hat i+3hatj)m to vecr_(2) = (4hat i + 6 hat j)m under a force vec F = (3x^(2) hati + 2y hatj)N , then work done by the force is

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    B
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    C
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    D
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    A
    55J
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    A
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    If vec(a) = hat(i) + hat(j) + 2 hat(k) and vec(b) = 3 hat(i) + 2 hat(j) - hat(k) , find the value of (vec(a) + 3 vec(b)) . ( 2 vec(a) - vec(b)) .

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