Fill in the following blanks with suitable words :
Friction prevent out foot from……………..over the ground.

Explanation

To fill in the blank in the sentence "Friction prevents our foot from __________ over the ground," we need to identify the action that friction helps to prevent.

1. **Understanding the Role of Friction**: Friction is a force that opposes the relative motion between two surfaces in contact. It provides the necessary grip that allows us to walk or run without slipping.

2. **Identifying the Correct Word**: The action that we want to prevent when walking is slipping. If there is no friction, our feet would slide over the ground, making it difficult to maintain balance.

3. **Filling in the Blank**: Therefore, the correct word to fill in the blank is "slipping."

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