1)a body is moving with a uniform velocity of 2m/s what does it means? 2)Under what condition a body travels a certain distance but the net displacement is zero. Explain with an example.

If a simple machine reduces the strength of a force, what must be increased?

Acar travels 40m in 8 seconds find the car speed

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell