What is a force that pulls things towards the ground?
motion
gravity
10
A push or a pull on an object is called what?
friction
force
10
What an object changes location this is called what?
motion
gravity
10
A force that occurs when two objects touch.
friction
motion
10
There are forces all around us.
False
True
10
Gravity pushes up, but the floor pushed down.
False
True
10
What is the diameter of Earth?
13,000 kilometers
31,000 kilometers
10
What does spacecraft mean?
space planets
space rocket
10
Newton's first law states that “Every object will remain at rest or in uniform motion in a straight line unless it is compelled to change its state by the action of an external force.”