Work required for truck acceleration · CAP 2003 #10

Physics · mechanics

Problem

The work done to accelerate a truck on a horizontal road from rest to speed

v

(a) is less than that required to accelerate it from

v

2v

; (b) is equal than that required to accelerate it from

v

2v

; (c) is more than that required to accelerate it from

v

2v

; (d) may be any one of the above since it depends on the force acting on the truck and the distance over which it acts.