Laws of Motion

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you
• the stick pushes against you
• you push against the stick
• the wall pushes against the stick

Tags

NGSS.MS-PS2-1

A person is pushed forward into their seat belt when a car stops quickly.  Which law is this?

• 1st
•  2nd
• 2 and 3
• 3rd 

Tags

NGSS.MS-PS2-2

An object at rest will _______ if no outside forces are applied.

• stay at rest
• increase velocity
• decrease mass
• fall to the ground

Tags

NGSS.MS-PS2-2

What is the name for a push or pull?

• movement
• force
• speed
• density

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An object will always move in the direction of the _______ force.

• larger 
• smaller 
• equal 

If an object is at rest (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.MS-PS2-2

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

Tags

NGSS.MS-PS2-2

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Tags

NGSS.HS-PS2-1

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.
• The one with a mass of .52 kg will have the greatest acceleration.
• They will both accelerate at the same rate.

Tags

NGSS.MS-PS2-2

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 

• 18N left
• 18N right
• 2N right
• 2N left

Tags

NGSS.MS-PS2-2