Walker Chapter 5 Study Slides

What is the equation for Newton's 2nd law?

• a = bc
• F = m/a
• F = ma
• a = b/c

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NGSS.MS-PS2-2

What are the units of force?

• kg

• N

• m/s

• m/s²

When mass is 10 kg, acceleration is 2 m/s/s, what is force?
F = ma

• 5 N
• 20 N
• 8 N
• 12 N

The larger the mass you have the _____ force you need to change its motion.

• more
• less

Tags

NGSS.MS-PS2-2

As force applied to a textbook increases, what happens to its acceleration?

• Stays the same
• Increases
• Decreases
• Opens

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NGSS.MS-PS2-2

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals

• twice the force with which it was fired
• the same amount of force with which it was fired
• 1/2 the force with which it was fired
• zero, since no force is requires to keep it moving. 

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NGSS.HS-PS2-1

NGSS.HS-PS2-2

Which of the following best describes Newton's 1st law?

• Objects keep doing what they are doing unless a force is applied
• Objects react to outside forces
• Unbalanced forces on an object keep it at rest
• More mass = more inertia

True or False.  An increase in mass will result in an increase in the acceleration?

• True
• False

Tags

NGSS.MS-PS2-2

The force of a cart doubles.  What happens to the cart's acceleration?

• It doubles
• It quadruples 
• It halves
• It quarters

Tags

NGSS.MS-PS2-2