Consider the situation shown in figure in which a book `'A'` of mass `2 kg` is placed over a block `'B'` of mass `4 kg`. The combination of the placed on a inclined plane of inclination `37 ^(@)` with horizontal. The coefficient of friction between blocks `B` and inclined plane is `mu_(2)` and in between the two bolcks is `mu_(1)`, The system is released from rest.
( Take `g=10m//sec^(2))`
If `mu_(1)=0.8, mu_(2)=0.8` then:
Consider the situation shown in figure in which a book `'A'` of mass `2 kg` is placed over a block `'B'` of mass `4 kg`. The combination of the placed on a inclined plane of inclination `37 ^(@)` with horizontal. The coefficient of friction between blocks `B` and inclined plane is `mu_(2)` and in between the two bolcks is `mu_(1)`, The system is released from rest.
( Take `g=10m//sec^(2))`
If `mu_(1)=0.8, mu_(2)=0.8` then:
( Take `g=10m//sec^(2))`
If `mu_(1)=0.8, mu_(2)=0.8` then:
A
Both block will move together
B
Only block `A` will move and blocks `B` remains at rest
C
Only block `B` will move and block `A` remains at rest
D
None of the blocks will move
Text Solution
Verified by Experts
The correct Answer is:
D
`tan 37^(@)-0.75`, Here
`mu_(1)=mu_(2)=0.80 gt tan 37^(@)` i.e., `mu gt tan theta`
`rArr` Surffcient friction is there at each surface
`therefore` No blocks can move.
`mu_(1)=mu_(2)=0.80 gt tan 37^(@)` i.e., `mu gt tan theta`
`rArr` Surffcient friction is there at each surface
`therefore` No blocks can move.
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Consider the situation shown in figure in which a book 'A' of mass 2 kg is placed over a block 'B' of mass 4 kg . The combination of the placed on a inclined plane of inclination 37 ^(@) with horizontal. The coefficient of friction between blocks B and inclined plane is mu_(2) and in between the two bolcks is mu_(1) , The system is released from rest. ( Take g=10m//sec^(2)) If mu_(1)=0.5, mu_(2)=0.5 , then:
Consider the situation shown in figure in which a book 'A' of mass 2 kg is placed over a block 'B' of mass 4 kg . The combination of the placed on a inclined plane of inclination 37 ^(@) with horizontal. The coefficient of friction between blocks B and inclined plane is mu_(2) and in between the two bolcks is mu_(1) , The system is released from rest. ( Take g=10m//sec^(2)) If mu_(1)=0.5, mu_(2)=0.5 , then:
A
Both blocks will move but with different accelerations
B
Both blocks will move together
C
Only block `A` will move
D
Onlyd block `B` will have
consider the situation shown in figure in which a block 'A' of mass 2 kg is placed over a biock.'B' of mass 4 kg. The combination of the blocks are placed on a inclined plane of inclination 37^(@) with horizontal. The coefficient of friction between block B and inclined plane is mu_(2) and in between the two, blocks is mu_(1) . The system is released from rest. ("Take "g=10m//sec^(2)) If mu_(1)=0.8, mu_(2)=0.8 then :
consider the situation shown in figure in which a block 'A' of mass 2 kg is placed over a biock.'B' of mass 4 kg. The combination of the blocks are placed on a inclined plane of inclination 37^(@) with horizontal. The coefficient of friction between block B and inclined plane is mu_(2) and in between the two, blocks is mu_(1) . The system is released from rest. ("Take "g=10m//sec^(2)) If mu_(1)=0.8, mu_(2)=0.8 then :
A
both blocks will move together
B
only block A will move and block B remains at rest
C
only block B will move and block A remains at rest.
D
none of the blocks will move
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A
Both block will move but block A will slide over the blockB
B
Both block will move together
C
None of them will move
D
Only block A will move
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