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STATEMENT -1 : Friction always opposes m...

STATEMENT -1 : Friction always opposes motion .
STATEMENT - 2 : Lesser the friction on a surface it is easier to walk on it.
STATEMENT -3 : Soles of shoes gets flat due to friction .

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Does friction always oppose the motion?

Frictional force always opposes motion of a body.

STATEMENT-1: Horizontal velocoty in projectile motion remains constant. STATEMENT-2: Acce,eration due to gravity is vertical.

STATEMENT - 1 : If an object is at rest then there should not be any friction on it . STATEMENT - 2: If an object is moving then the friction acting on it has to be kinetic . STATEMENT -3 : If an object is at rest then kinetic friction cannot act on it.

STATEMENT-1 : An oscillatory motion is always simple harmonic motion. STATEMENT-2 : A simple harmonic motion is always oscillatory motion.

STATEMENT -1 : Force of friction depends on the actual area of contact . STATEMENT -2 : Centripetal and centrifugal forces always cancel each other . STATEMENT - 3 : A horse cannot run a cart in empty space.

STATEMENT-1 : A resistor opposes the flow of current . and STATEMENT-2 : An inductor opposes change in strength of current.

STATEMENT -1 : Acceleration due to gravity is maximum at poles. and STATEMENT -2 : There is no effect of rotational motion of earth on gravity at poles.

Assertion : Friction always opposes the motion. Reason : Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.

Choose the correct options – (1) Friction always opposes the motion (2) Friction may opposes the motion (3) If the applied force is increased the force of static friction remains constant. (4) If the applied force is increased the force of static friction also increases upto limiting friction.

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