In which situation listed would angular acceleration be positive?

It can take some of those large , industrial vehicles up to feet to stop when traveling only 60 mph, and therefore , you shoukd be mindful to not be jn the traffic right in front of them a. 100 feet b. 200 feet c. 335 feet d. 425 feet

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Why should seat belts not be mandatory quick plz