Question

Angular momentum has the same unit as:
A. Work x frequency
B.Torque x mass
C. Impulse x length
D. Power x time ​

Answer 1

Answer:

• I didn't get the answer from the option I gave my own answer u can get answer from this

Explanation:

Appropriate MKS or SI units for angular momentum are kilogram metres squared per second (kg-m2/sec). For a given object or system isolated from external forces, the total angular momentum is a constant, a fact that is known as the law of conservation of angular momentum.

Answer 2

Angular momentum has the same unit as Impulse x length. Thus, the correct option is C.

Explanation:

• The formula of angular momentum is $\[L = mvr\]$.
• Therefore, the unit of angular momentum will be $\[kg \times m{s^{ - 1}} \times m = kg{m^2}{s^{ - 1}}\]$
• The unit of Work x frequency can be given as:

         $\[kg{m^2}{s^{ - 2}} \times {s^{ - 1}} = kg{m^2}{s^{ - 3}}\]$

• The unit of Torque x mass is $\[{m^2}kg{s^{ - 2}} \times kg = k{g^2}{m^2}{s^{ - 2}}\]$
• The unit of Impulse x length is $\[kgm{s^{ - 1}} \times m = kg{m^2}{s^{ - 1}}\]$
• The unit of Power x time ​is $\[J{s^{ - 1}} \times s = J = kg{m^2}{s^{ - 2}}\]$
• Thus, Impulse x length has the same unit as angular momentum.