What type off motion is represented by the tip of ‘seconds’ hand’ of watch? Is it uniform or accelerated?

What conclusion can you draw about the acceleration of a body from the speed time graph shown below?

A satellite goes round the earth in a circular orbit with constant speed. Is the motion uniform or accelerated?

Fill in the following blanks with suitable words :

(a) If a body moves with ___________, its acceleration is zero

(b) The ___ of a distance time graph indicates speed of a moving body.

(c) The slope of a ______graph of a moving body gives its acceleration

(d) In a speed-time graph, the area enclosed by the speed-time curve and the time axis gives the ………………by the body.

(e) It is possible for something to accelerate but not change its speed if it moves in a ……………

Is the uniform circular motion accelerated? Give reasons for your Answer.