Question

Give reason:

1. A sharp knife cuts vegetables nd fruits more effectively than a blunt knife.

2. School bags are provided with wide straps to carry them. ​

Answer 1

Heya!❤️

1. A sharp knife cuts vegetables nd fruits more effectively than a blunt knife because a sharp knife exerts more pressure than the blunt knife. So, it is easy to cut with sharp knife
2. School bags are provided with wide straps to carry them Due to large surface area of straps.There will be less pressure exerted on the shoulder.So,it is easy to carry them.

Hope this helps

@adiba31✌❤️

Answer 2

Answer:

1. A sharp knife cuts objects better because due to its very thin edge, the force of our hand falls over a sharp small area of the object producing a large pressure

2. School bags are provided with large wide straps to carry them because it increases the surface area in contact with the shoulder and reduce the pressure of the shoulder of the students shoulder