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A car that experiences no frictional force is started and caused to move. For the car to continue in that motion, the gas pedal would have to be used:

Sagot :

Explanation:

Gas pedal is not required to used on friction less surface. On a friction less surface once the car is started and caused to move, car continues to move with same velocity as there is no opposing force. Therefore, no pressing of gas pedal required. However, this situation is not possible in real life, as friction is always present.