Force and time for stopping shopping cart · PhysicsBowl 2025 #9
Physics · mechanics
Problem
A shopping cart with a speed of v0 is brought to rest by an applied force. If the time interval over which the force is applied is increased, then bringing the cart to rest requires
a. a smaller force.
b. the same force.
c. a larger force.
d. another applied force acting in the same direction as the original applied force.
e. a frictional force opposing the cart's motion.