Three forces, , , and , act on a mass of 4.2 kg. The forces are
= 2.0 N acting to the east,
= 5.0 N acting 45º to the north of east, and
= 4.0 N acting 30º to the north of west.
The direction of the net acceleration
A) cannot be determined because the acceleration is zero.
B) is 60º north of east.
C) is 70º north of east.
D) is 51º north of east.
E) is 44º north of east.

Question

Three forces,  ,  , and  , act on a mass of 4.2 kg. The forces are 
 = 2.0 N acting to the east, 
 = 5.0 N acting 45º to the north of east, and 
 = 4.0 N acting 30º to the north of west.
The direction of the net acceleration
A) cannot be determined because the acceleration is zero. 
B) is 60º north of east. 
C) is 70º north of east. 
D) is 51º north of east. 
E) is 44º north of east.

Quizplus · Accepted Answer

The Answer of Three forces,  ,  , and  , act on a mass of 4.2 kg. The forces are 
 = 2.0 N acting to the east, 
 = 5.0 N acting 45º to the north of east, and 
 = 4.0 N acting 30º to the north of west.
The direction of the net acceleration
A) cannot be determined because the acceleration is zero. 
B) is 60º north of east. 
C) is 70º north of east. 
D) is 51º north of east. 
E) is 44º north of east.

Three Forces, , , and , Act