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Motion In A Plane

Question

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Which of the following statements are true/false?
A.
Magnitude of vector is always scalar.
B.
Resultant of two vectors always lies between sum and difference of magnitude of two vectors.
C.
Components of vector are vectors.
D.
Average speed is always equal to magnitude of average velocity.
E.
Three unequal vectors not lying in the same plane can have zero resultant.
F.
Cross product of two parallel vectors is zero.

Solution

A. TRUE
B. TRUE
C. TRUE
D. FALSE
E. FALSE
F. TRUE

Some More Questions From Motion in A Plane Chapter

What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

Is a physical quantity, having a direction, necessarily a vector?

Name a quantity which is both scalar as well as vector.

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?

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