To understand that the direction of acceleration is in the direction of the change of the velocity, which is unrelated to the direction of the…

To understand that the direction of acceleration is in the direction of thechangeof the velocity, which is unrelated to the direction of the velocity.
(Figure 1)The pendulum shown makes a full swing from−π/4to+π/4. Ignore friction and assume that the string is massless. The eight labeled arrows represent directions to be referred to when answering the following questions.