Q. What is the term for the force that opposes motion between two surfaces that are in contact?

उस बल को क्या कहते हैं जो संपर्क में आने वाली दो सतहों के बीच गति का विरोध करता है?

A
Friction
टकराव
B
Gravity
गुरुत्वाकर्षण
C
Normal force
सामान्य बल
D
Tension
तनाव

Explanation

Friction is the resistive force that opposes the relative motion of two surfaces in contact. It can generate heat and cause wear.

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