General Science • PhysicsEasy
What is the dimensional formula for linear momentum?
A. [M L T^-2]
B. [M L T^-1]✓ Correct Answer
C. [M L^2 T^-2]
D. [M L^-1 T^-1]
💡 Solution & Explanation
Linear momentum is defined as the product of an object's mass and its velocity. Since mass has the dimension of [M] and velocity has the dimension of [L T^-1], the resulting dimensional formula for linear momentum is [M L T^-1]. Options involving squared time terms or inverse lengths represent different physical quantities such as force or pressure gradients. Dimensional analysis is a fundamental topic in general science tested across various recruitment examinations.
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