A 3.0-kg brick rests on a perfectly smooth ramp inclined at 34° above the horizontal. The brick is kept from sliding down the plane by an ideal spring that is aligned with the surface and attached to a wall above the brick. The spring has a spring constant (force constant) of 120 N/m. By how much does the spring stretch with the brick attached?
A. 24 cm
B.360 cm
C.14 cm
D. 240 cm
E. 36 cm
3 answers
How did you start this problem?
I do not know what formula to use
I really need some help on this one
1 answer