1. Because it is difficult to walk on a smooth or wet floor because friction is very less
2.Going upstairs is harder than going downstairs due to the force of gravity. Gravity is a non contact force that pulls objects towards the ground. It is hard to go upstairs because, we will be opposing the force of gravity by going up.
Answers & Comments
Answer:
1. Because it is difficult to walk on a smooth or wet floor because friction is very less
2.Going upstairs is harder than going downstairs due to the force of gravity. Gravity is a non contact force that pulls objects towards the ground. It is hard to go upstairs because, we will be opposing the force of gravity by going up.
Explanation:
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