About acceleration of block with respect to wedge and ground

AI Thread Summary
A block placed on a stationary wedge with no friction experiences different accelerations when analyzed from two frames of reference. The acceleration of the block with respect to the wedge is gsinθ, while the acceleration with respect to the ground is also gsinθ. The confusion arises from the assumption that the block's acceleration should differ in different inertial frames, but both the wedge and ground are stationary in the same inertial frame. Thus, the block's acceleration remains consistent across both references. Understanding these principles clarifies the dynamics involved in the scenario.
caffe
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Hi friendz I have a problem.
If a block of mass m is placed over the wedge such that there is no friction then what is the acceleration of block
1with respect to wedge
2 with respect to ground
Pleas reply.
Thanks in advance.
My sir said that it is different.Is it so.
 
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For the first one you just need to consider the wedge as fixed. For the second one add the negative acceleration of the wedge to the block.
 
Here wedge is stationary.Now please tell me the acceleration of block with respect to wedge and ground.
 
Please state the exact problem you are trying to solve.
 
My question is that there is a stationary wedge on which block is placed and all the sutfaces are smooth.Now according to mg physics teacher the acceleration of block with respect to wedge is gsin@ and with respect to ground is g .Is it true.But according to my knowledge as we read that accelaration of anybody with respect to two different inertial frame is same.Now here block and ground are two different inertial frames.Then why acceleration of block with respect to wedge and ground different.
 
caffe said:
My question is that there is a stationary wedge on which block is placed and all the sutfaces are smooth.
OK, the wedge is fixed and not free to slide. But there's no friction between block and wedge.
Now according to mg physics teacher the acceleration of block with respect to wedge is gsin@ and with respect to ground is g .Is it true.
No. The acceleration of the block with respect to both the wedge and the ground is gsinθ.
But according to my knowledge as we read that accelaration of anybody with respect to two different inertial frame is same.Now here block and ground are two different inertial frames.Then why acceleration of block with respect to wedge and ground different.
Your thinking is correct. The wedge and ground are both at rest in the same inertial frame. So the acceleration of the sliding block is the same with respect to each.
 
Thanks .
Sir...
 

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