Question

Torque $(\tau)$ acting on a body in the time interval 0 to T is shown in figure. Angular impluse on the body in this interval is

• A. $\tau _o \,T$
• B. $2 \tau _o \,T$
• C. $\frac {\tau _o \,T}{2}$
• D. $\frac {\tau _o \,T}{4}$

Answer 1

Answer: (C)

$J = \int^{T}_{0}\tau dt$
= Area under the graph