A 3.0-kg block on an inclined plane is connected by a rope to
another 2.0-kg block that is on a horizontal surface. The
inclination of the plane is 30o with respect to the horizontal. The
coefficient of kinetic friction between the horizontal surface and
the 2.0 kg block is 0.25, the inclined plane and the 3.0 kg block
experience no friction with each other. The mass and friction of
the rope can be ignored. Draw free-body diagrams for both blocks
and determine what happens to the blocks when no one is holding
them (they have freedom of movement).
A. For the 2.0-kg block, determine the normal force:
Select one:
a. 25.5 N
b. 49.0 N
c. 29.4 N
d. 19.6 N
B. The magnitude of the friction force on the 2.0 kg block.
Select one:
a. 12.3 N
b. 6.4 N
c. 4.9 N
d. 7.4 N
C. The magnitude of the normal force for the 3.0 kg
block:
Select one:
a. 42.4 N
b. 25.5 N
c. 14.7 N
d. 8.5 N
D. The acceleration in x experienced by both blocks is the same,
determine the magnitude of the tension experienced in the
string.
Select one:
a. 9.8 N
b. 24.5 N
c. 8.8 N
d. 4.9 N
E. The magnitude of the acceleration (m / s2):
Select one:
a. 1.30
b. 1.95
c. 0.78
d. 2.34