What are contact forces? State different contact forces. What are non-contact forces? Explain different types of non-contact forces.

Explanation

### Step-by-Step Text Solution

**Step 1: Understanding Contact Forces**
- Contact forces are defined as forces that occur when two objects are in physical contact with each other. These forces arise due to the interaction between the surfaces of the objects.

**Step 2: Types of Contact Forces**
- There are several types of contact forces, including:
1. **Muscular Force**: This is the force exerted by muscles when we push or pull an object. For example, when you lift a box, the force applied by your muscles is the muscular force.
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