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Tammy guess that without matter, both the bowling ball and the feather would drop at the same time. Explain why is she correct.
Because air resistance is a frictional force between air and an object, since air is matter, and without matter, air resistance is not gonna work.​
Why is space is not a vacuum?
It has atoms in it.
What is a Vacuum (science)
Devoid of all matter = a space there where is no matter​
How is going to land slower (Right or Left)
Left
What happen if the mass increase?
The force of gravity increase.
What is formula of finding Weight
Mass x 10 (N/kg)
Harid said you will be taller in space, so he will have more mass. Do you agree with him, why.
No, wherever are you, your mass is still the same (
What is gravity?
A force that pulls objects towards each other​ (Affected by mass and distance​ The more mass an object has, the higher its gravity is​ The closer two objects
What are the two measurements should they make?
Masses on the materials, force of pull required.​
How is a rough surface effect the friction
It will be having higher friction
What is a unbalanced forces
object’s motion will change (speed up/slow down and change direction​)
What is the effects of forces on motion​
Change the shape of an object.​​ Move/speed-up an object.​​ Stop/slow down a moving object.​​ Change the direction of a moving object.​ ​
What is net force
the sum of all the forces acting on an object
What is a contact force
A interactions between object that touch
What is force
A push or a pull applied to an object.
What is the force that stops things
Friction (the force that tries to slow tings tow when two things rub against each other​)​