Question
A block of mass 4 kg slides down a frictionless inclined plane angled 30 degrees above the horizontal. The force accelerating the block down the plane is thus:
a. zero, since there is no friction
b. 9.8N
c. 19.6N
d. 33.9N
e. 39.2N
a. zero, since there is no friction
b. 9.8N
c. 19.6N
d. 33.9N
e. 39.2N
Answers
m g sin theta
4 * 9.81 * (1/2)
about 19.6 N
4 * 9.81 * (1/2)
about 19.6 N
Related Questions
A block of mass 0.5 kg rests on a smooth inclined plane. It is then pushed by a horizontal force of...
a 3 kg block slides down a frictionless plane inclined 20 degrees to the horizontal. If the length o...
a block , mass .10 kg, slides from rest without friction down an inclined plane 2m long which makes...
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 20 o with the...