During a tug-of-war game, two teams pull in opposite directions on a heavy rope. Is it possible for the rope to be perfectly horizontal? Explain using principles of physics.
The Attempt at a Solution
I overheard the teacher explaining it...
1D Dynamics Problem!
A car of mass 1100kg is traveling at a constant velocity of 60 km/hr, east. The coefficient of friction between the tires and the road is 0.45.
The driver of the car sees the traffic light in front turning red and steps on the brake, only to find that...