Question 2 b)
The
sweepers in a curling competition adjust the trajectory (direction it is
going) of the stone by:

Question

Question 2 b) 
 The
sweepers in a curling competition adjust the  trajectory  (direction it is
going) of the stone by:

Answer

Decreasing
the coefficient of friction between the stone and the ice.

Answer

Increasing the coefficient of friction between the
stone and the ice.

Answer

Changing friction from kinetic to static.

Answer

Changing friction from static to kinetic.

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