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Motion In A Plane

Question

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For any arbitrary motion in space, which of the following relations are true :

A.
(a) v_average = (1/2) (v (t₁) + v (t₂))

Solution

A. FALSE
It is given that the motion of the particle is arbitrary. Therefore, the average velocity of the particle cannot be given by this equation.

Some More Questions From Motion in A Plane Chapter

Which of the followings is/are vector quantities: work, power, acceleration, mass, momentum?

Pick up the odd one from the following: force, linear momentum, mass, impulse.

Pick out the only vector quantities in the following list:
Temperature, pressure, impulse, time, power, total path length, energy, gravitational potential, coefficient of friction and charge.

Pick out the two scalar quantities in the following list:
force, angular momentum, work, current, linear momentum, electric field, average velocity, magnetic moment, reaction as per Newton’s third law, relative velocity.

What are polar vectors?

Give two examples of polar vectors.

What are axial vectors?

Give two examples of axial vectors.

What are tensors?

Give one example of tensor.

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