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1) A 100 Newton force acts on an object to the right at the same time...

1) A 100 Newton force acts on an object to the right at the same time a second force of 180 N acts to the left. Calculate the net, or resultant force on the object. Give the answer rounded to 1 decimal place and remember that forces in the +x direction are positive and forces in the -x direction are negative.

2) Calculate the acceleration of a 18 kg mass, if a 100 N force acts to the right and a maximum 50 N friction force acts against the motion.

3) Calculate the magnitude (positive number) of the friction force on a 50 kg mass, if the coefficient of kinetic friction is equal to 0.2. Give the answer rounded to 1 decimal place.

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