Multiple Choice
Two masses are being pulled up a 30.0 degree incline by a force F parallel to the incline. The acceleration up the incline is 1.00 m/s2 and the velocity is down the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. The coefficient of kinetic friction is 0.200. The force F is
A) 2,660 N.
B) 1,530 N.
C) 1,470 N.
D) 980 N.
E) 750 N.
Correct Answer:

Verified
Correct Answer:
Verified
Q69: Two masses are suspended by a cord
Q70: A tractor T is pulling a trailer
Q71: An airplane is flying in horizontal flight
Q72: In the figure, an airport luggage carrying
Q73: If an object of mass 20 kg
Q75: An object travels 7.5 m/s toward the
Q76: The weight of a 1.00 kg object
Q77: An object of mass m is hanging
Q78: An airplane flies with a constant speed
Q79: When a force is called a "normal"