An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.

Unbalanced, because the speed is constant and there is a change in direction

Unbalanced, because the plane is moving forward, not backwards

Balanced, because the plane is not falling to a lower altitude

Unbalanced, because the plane is in motion

How will this object move?

It will move in both directions.

What is true about this image?

The people on the right are winning.

The people on the left are winning.

Which of the following statements is true?

Unbalanced forces cause a change in motion.

Balanced forces cause a change in motion.

Forces do not effect the change in motion.

Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?

The ribbon will move to the right and group B will win the tug-of-war.

The ribbon will move to the left and group A will win the tug-of-war.

The ribbon will move to the left and group B will win the tug-of-war.

The ribbon will move to the right and group A will win the tug-of-war.

The objects HITTING one another

Balance or Unbalanced Forces

Authored by Charles Martinez

Science

6th - 8th Grade

NGSS covered

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78 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

60 N right

10 N left

60 n right

50 N left

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following objects will experience an unbalanced force?

A bike rider on a smooth and level road, pedaling at a constant rate.

A train pulling on another train, each with the same amount of force.

A chair sitting on the floor with balanced forces acting in opposite directions.

A ball rolling across the floor with friction acting in the opposite direction.

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If these teams are pulling with the same amount of force what will happen?

The boy in blue will win.

They will not move at all.

The boy in red will win.

Both will fall down.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the net force?

40 N left

0 N Balalnced

400 N right

40 N right

Tags

NGSS.MS-PS2-2

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Balance or Unbalanced Forces

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

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?

Which could be an example of an unbalanced force?

Which could be an example of a balanced force?

Which of the following objects will experience an unbalanced force?

If these teams are pulling with the same amount of force what will happen?

What is the net force?

How will this object move?

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?

What is the net force?

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