What is a force that pulls things towards the ground?
motion
gravity
A push or a pull on an object is called what?
force
friction
What an object changes location this is called what?
gravity
motion
A force that occurs when two objects touch.
motion
friction
There are forces all around us.
True
False
Gravity pushes up, but the floor pushed down.
True
False
What is the diameter of Earth?
31,000 kilometers
13,000 kilometers
What does spacecraft mean?
space rocket
space planets
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.”
True
False
Newton's first law is also called...
law of inertia
law of gravity
The planet we live on is...
Earth
Venus
