The best answer is B)
Space technology helps improve life on Earth.
Many of the innovations developed by space programs had applicability beyond their original use. This is one such example, in which robotic technology used for servicing spaceships is helping to improve surgeries here on Earth.
Many things can affect a material's resistance, The type of material, how the material is being held (If its laying flat, being pulled, etc). What the material is used for, and how much material there is. Hope this helps!
I can't particularly place what Icelandic contributed.
But every other culture contributed majorly.
So I would go for option b.
Answer:
it will remain same because mass of the body is constant everywhere
The force needed to accelerate a vehicle with a mass of 1000kg at a rate of 5m/s2 would be 5000
