balance and unbalance

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-PS2-1

NGSS.MS-PS2-2

A force is

• a push or pull

• only balanced

• only unbalanced

• only a push

Tags

NGSS.3-PS2-1

What is an unbalanced force?

• an equal force

• an unequal force with movement

• does not move

• stays still

Tags

NGSS.MS-PS2-2

Student 1 pushed the box at 6 N to the left and Student 2 pushed the box 8 N to the right. Is this balance or unbalance?

• Balanced

• Unbalance

Tags

NGSS.MS-PS2-2

Calculate the net force and direction of the couples playing tug of war.

• they are balanced

• the net force is 0

• the net force is 50 newtons to the right

• the net force is 50 newtons to the left

Tags

NGSS.MS-PS2-2

Alex is pushing the refrigerator 50 N to the left and Mary is pulling 50 N to the left. Is this balanced or unbalanced?

• Balanced they both have a force at 50 N

• Unbalanced, Alex is pushing and Mary is pulling 50 N

• The refrigerator will not move

Tags

NGSS.3-PS2-1

3. A ball is at rest on the ground. Which of the following is likely to result if the forces below are applied to the ball?

• A. The ball will remain motionless.

• B. The ball will move left at a constant speed.

• C. The ball will move downward at a changing speed.

• D. The ball will accelerate to the left.

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-PS2-1

NGSS.MS-PS2-2

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Tags

NGSS.MS-PS2-2