Physics
The motion of the wheels of a bullock-cart while moving on the road is an example of

Oscillatory and rotatory motion
Translatory and rotatory motion
Translatory motion only
Oscillatory and translatory motion

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Physics
Skating on ice is possible because

The pressure on the ice due to skate raises its melting point
The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water
Ice is cold
The surface of ice is smooth

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