Question

In your village/city you might have come across children who work in some households, factories, shops, hotels and construction sites for daily wages, Collect the following information about one child. Make a brief profile of the child you have met and present it in the class.
I need best answer ​

Answer 1

Answer:

Beam balance — A lever (lever of class I) 2. Lemon crusher — A lever (lever of class II) 3. Sugar tongs — A lever (lever of class III) 4. Ramp — An inclined plane 5. Door knob — Wheel and axle 6. Needle —

Answer 2

Answer:

The principle is that the slope of the line on a velocity-time graph reveals useful information about the acceleration of the object. If the acceleration is zero, then the slope is zero (i.e., a horizontal line). If the acceleration is positive, then the slope is positive (i.e., an upward sloping line).