A block of mass 10kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6. What should be the minimum value of force P, such that the block does not move downward?
(take g=10ms−2)
a.
32N
b.
25N
c.
23N
d.
18N
a.
32N
b.
25N
c.
23N
d.
18N
Question ID - 50052 | SaraNextGen Top Answer A block of mass 10kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6. What should be the minimum value of force P, such that the block does not move downward?
(take g=10ms−2)
a.
32N
b.
25N
c.
23N
d.
18N
A block of mass 10kg is kept on a rough inclined plane as shown in the figure. A force of 3 N is applied on the block. The coefficient of static friction between the plane and the block is 0.6. What should be the minimum value of force P, such that the block does not move downward?
(take g=10ms−2)
|
a. |
32N |
b. |
25N |
|
c. |
23N |
d. |
18N |
1 Answer
127 votes
Answer Key / Explanation : (a) -
mg sin450=
= 50
mgcos
=0.6
mg
= 0.6
50
P=31.28=32N
127 votes
Answer Link
127