Column A
Lodestones are...
magnetic and nature's magnetic stones
When objects are moved farther apart from each other, the force of gravity...
Decreases
This form of energy is an example of potential energy.
Chemical
Our investigation of magnetism revealed that these metals are attracted to magnets.
Iron and Nickel
A magnets pull is the strongest at the...
North and South Poles
At the same speed, a bowling ball is harder to stop than a soccer ball because the bowling ball has greater...
Mass
According to Newton's Second Law of Motion, a larger force acting on an object causes a greater...
Acceleration
This force opposes motion between two surfaces that are touching each other. What is this force?
Friction
If you cut a bar magnet in half you have...
created two smaller magnets
A push or a pull that acts on an object is called...
force
An attraction between the mass of Earth and the mass of an object is called...
Gravity
The force of gravity between two objects increases as their masses...
Increase
The force according to Newton that a second object returns to the first object is called the...
Reaction
When the forces on an object cancel each other out, the forces are said to be...
Balanced
Newton decided that as mass increases, the force of gravity...
Increases
The force of gravity on any object is called the object's...
Weight
What two factors are involved in motion?
Direction and Speed
A tug of war that results in one team pulling the other team across the line is an example of...
Unbalanced force
When the forces acting on an object are balanced, the net force is...
Zero
When the car of a roller coaster is at the top of a peak of the track, the car has very high...
Potential energy
Of the following, the greatest gravitational force would occur between:
a) a marble and a baseball five meters apart
b) a loaded freighter on the high seas and Earth
c) the moon and an astronaut standing on the moon
d) the moon and the Earth
D. The moon and the Earth
The Hyperloop we read about floats in the air by what means?
Magnets and a Vacuum
The statement "To every action there is an equal or opposite reaction" is...
Newton's Third Law of Motion
Which of the following best illustrates balanced forces?
a) a rock falling to the ground
b) a stretched rubber band being held between two hands
c) lifting a heavy box off the ground
d) a crash between a large truck and a train
B. A stretched rubber band being held between two hands
The law that states that every object maintains constant velocity unless acted upon by an unbalanced force is...
Newton's First Law of Motion