8.6 Physics

According to Newton’s First Law of Motion, a moving object that is not acted on by an unbalanced force will

• Remain in motion.
• Eventually come to a stop.
• Change its momentum.
• Accelerate.

Newton's Third Law of Motion states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

Tags

NGSS.MS-PS2-1

What is the speed of an object that travels 20 meters in 4 seconds?  (Hint: Speed = Distance / Time)

• 80 m/s
• 0.2 m/s
• 5 m/s
• 24 m/s

A(n) __________ is a push or pull.

• Newton
• Acceleration
• Force
• Momentum

Tags

NGSS.HS-PS2-1

What unit do we measure Force in? 

• Newtons
• Joules
• Force
• Midi-chlorians

Tags

NGSS.HS-PS2-1

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

• First
• Second
• Third 
• Fourth

You push on a tree with 20 N of Force. If the tree doesn't move, the tree is pushing back on you with _____of Force.

• 20 N 
• 40 N 
• 10 N 
• 0 N

Tags

NGSS.MS-PS2-1

A soccer ball accelerates more than a bowling ball when thrown with the same force is an example of which of Newton's Laws of Motion?

• First Law
• Second Law
• Third Law 
• Fourth Law

What is the net force of this object? 

• 10 N, no direction
• 10 N left
• 5 N right
• 0 N no direction

According to Newton's Second Law, an object's acceleration is INVERSELY proportional to its _____.

• Unbalanced force
• Balanced force
• Mass
• Velocity