A) Changes the direction of a moving object
B) Causes all objects to fall to the ground
C) Prevents us from slipping when we walk
D) Makes a stationary object to move
Correct Answer: C
Solution :
Wheel cart reduces friction between sack bag and floor making it easier to pull the bag. Friction is present between a surface and object put on it and resists its motion. Friction is the force which prevents us from slipping when we walk.You need to login to perform this action.
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