Physics

To find the stopping force acting on the block, we first need to calculate the acceleration (or deceleration) as the block comes to rest.

 

Using the formula for acceleration:

 

Where:

is the change in velocity (final velocity - initial velocity),

is the change in time.

 

Given that the initial velocity is 10 m/s and the final velocity is 0 m/s (since it comes to rest) over a time of 2 seconds:

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