Offering 100 points- Plz help

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

A1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. what is the magnitude of the friction force required to keep the car from sliding?