It is difficult to walk on ice because of ______. (1) absence of friction (2) less inertia (3) more inertia (4) more mass

It is difficult to walk on ice because of ______. (1) absence of friction (2) less inertia (3) more inertia (4) more mass
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Answer :

(1) absence of friction Explanation: It's difficult to walk on ice because there's very little friction between the bottoms of your shoes and the ice. Friction is a force that opposes motion.
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