question no 4&5 please answer me fast..
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1. This is because a banana peel is slippery and tends to reduce the friction between our foot and the ground thus we tend to slip.
2. This is because lesser amount of force is needed to push the lighter box as compared to the heavier box.
3. This is because more force is needed to move a stationary object as compared to keep moving it.
4. This is because to increase the sportsmen's grip and reduce the friction between their foot and the ground.
5 - We can walk on the road and floor due to friction. Also, the vehicles run on the road due to friction between their tyres and road. We slip and the vehicles skid in absence of friction. Thus, friction can cause the motion in these situations.
Hope its help you....
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