A. Gravitational force
A.
B. Magnetic force
B.
C. Friction
C.
D. Tension
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Friction is a force that always opposes the relative motion between two surfaces in contact, meaning it always acts in the opposite direction of the object's movement, effectively slowing it down.