Questions are in the attachment.. Answer them asap
Answers
[A]
1. Ground/Earth, attracts, gravitational force.
2. Downwards, gravity.
3. Pressure.
4. Body, body (check this question)
[B]
1. Shoulder bags are provided with broad straps because it has larger surface area than the thin strap and hence the pressure exerted on the shoulder becomes less than the thin strap.
2. Because the more the surface area the less the pressure and the less the surface area the more the pressure. We will need more pressure to cut and pierce objects that is why the tools meant for cutting and piercing have sharp edges.
3. Pressure is defined as Force per unit area Pressure=force/area.
4. (You did provide the activity, sorry for that.)
5. The forces acting on the plastic bucket are muscular force and gravitational force. It's muscular our body is involved in the process.
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