force and motion

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

Tags

NGSS.MS-PS2-2

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

Tags

NGSS.MS-PS2-2

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

Tags

NGSS.MS-PS2-2

Which could be an example of an unbalanced force?

• A plate sitting on a dining table
• A ball at the top of a hill that is not moving
• Earth orbiting the Sun 
• A baseball that has been thrown to home plate.

Tags

NGSS.MS-PS2-2

Which could be an example of a balanced force?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

Tags

NGSS.MS-PS2-2

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

Tags

NGSS.MS-PS2-2

Which of the blocks above has balanced forces acting on it?

• A
• B
• C
• D

Tags

NGSS.MS-PS2-2

which box has more acceleration?

• top

• bottom

which box has more acceleration?

• top

• bottom

what is the correct formula for force?

• F=ma

• $F=\frac{m}{a}$

• $F=\frac{a}{m}$

• $F=a\times v$