Newton's Laws Review

Which of the three Newton's Laws is referred to as the Law of Inertia?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• None of the above

What is an example of Newton's Third Law?

• Quickly removing a tablecloth from a table where the dish and cup remain motionless

• Two marbles that collide and move back in equal, opposite directions

• Increasing the mass on a cart to reduce its acceleration

• None of the above

For the image shown, which of the following could result in Ft being a force present?

• A chandelier hanging from a chain

• Earth pulling on a chandelier

• Air resistance

• None of the above

For the image shown, if the object is motionless, which of the following statements are true?

• The object is experiencing balanced forces

• As Earth pulls on the object, the rope/chain pulls with an equal force in an opposite direction

• The only forces acting on the object are the force of tension and the force of gravity

• All of the above

What does Ff stand for?

• Force of force

• Force of gravity

• Applied force

• Force of friction

F = ma is the simplest way to express which of Newton's three laws?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Fourth Law

Which of the following is NOT an example of Newton's First Law?

• A bird flapping its' wings

• A person wearing a seat belt, preventing them from being ejected in a car crash

• Quickly removing a ring with a penny on top resulting in the penny landing in a flask

• All are examples of Newton's First Law

For the image shown, what forces are acting on the football (assume there is NO air resistance).

• Normal Force

• Applied Force

• Force of Gravity

• All of the above

In order for a normal force to exist, the object must be on a ________?

• cloud

• surface

• path to Earth's center

• None of the above

If Mr. Holub, with his impressive bodybuilding skills, pushes a box with 160 newtons of force to the right, but friction slows his ability, pushing 60 newtons to the left, which of the following are true?

• These forces are unbalanced

• The object will move

• The object will accelerate

• All of the statements are true