The following activities are associated with potential malicious insiders, except for: a. taking abnormal measures to keep activities unobserved. b. making unexplainable large data transfers. c. inappropriately obtaining access to unauthorized locations. d. frequently recognizing coworker achievements.

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle