Free Body Diagram BW

Which of the following is true about this free-body diagram?

• the forces are balanced

• the object is free-falling

• the object is moving upward

• the forces are unbalanced

Which diagram best shows person pushing a couch with a constant speed across the floor?

• 
• 
• 
• 

Which freebody diagram best represents a bookbag resting on the classroom floor?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-4

Normal force is always ______________ to Weight.

• more than and in the same direction

• equal and opposite

• equal and in the same direction

• less than and opposite

How will this object change its motion? 

• It will not change its motion. 
• It will accelerate to the right. 
• It will accelerate to the left. 
• It will move in both directions. 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following has a net force of 0 Newtons?

• 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 

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
• A soccer ball kicked in space, traveling at a constant speed
• A baseball that has just been thrown to home plate.

Tags

NGSS.MS-PS2-2

Are you ready for the Quiz?

• Yes

• No

• Somewhat