10 Questions
What is Newton's First Law of Motion?
An object at rest stays at rest, and an object in motion stays in motion
What is the meaning of mass in an object?
A measure of how much matter is present in an object
Which of Newton's Laws is most useful for finding mass and weight?
Newton's Second Law
What can change the mass of an object?
Adding or removing matter from the object
What is necessary to solve for mass using Newton's Second Law?
The force and acceleration of the object
What is the unit used to measure force?
Newtons
According to Newton's Third Law, what happens when a force is applied?
An equal and opposite reaction is generated
Why do people weigh less on the Moon than on Earth?
Because the gravity on the Moon is weaker than on Earth
What is the difference between mass and weight?
Mass is the amount of matter, while weight is the force of gravity
Why does the twin at the Dead Sea weigh more than the twin on Mount Everest?
Because the gravity is stronger at the Dead Sea than on Mount Everest
Refresh your knowledge on Newton's Laws of Motion including the concepts of inertia, force, mass, acceleration, and action-reaction pairs. Understand how these laws are essential for understanding mass and weight calculations.
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