Balanced and Unbalanced Forces

Which of the following is an example of a balanced force?

• An aeroplane taking off.

• Kicking a football.

• A car slowing down.

• A boy standing still.

Which of the following is an example of an unbalanced force?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the force acting in the opposite direction of an object in motion called?

• Friction Force

• Gravity Force

• Normal Force

• Net Force

What is the sum of all forces acting on an object and direction?

• Net Force

• Balanced Force

• Unbalanced Force

• Applied Force

Tags

NGSS.MS-PS2-2

Which of the following correctly describes a system with a net force of 0N?

• The system would be balanced, therefore the object would move

• The system would be balanced, therefore the object would not move

• The system would be unbalanced, therefore the object would move

• The system would be unbalanced, therefore the object would not move

What is the unit for force?

• Joules (J)

• seconds (s)

• Newtons (N)

• meters (m)

How will this object move?

• The object will move to the left, as the forces are balanced.

• The object will move to the right, as the forces are unbalanced.

• The object will move to the left, as the forces are unbalanced.

• The object will move to the right, as the forces are balanced.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following could be an example of an unbalanced force?

• A plate sitting on a dining table.

• Earth orbiting the Sun

• A ball at the top of a hill that is not moving

• A baseball that has been thrown to home plate

Tags

NGSS.MS-PS2-2

In the tug of war image, if both teams are pulling with the same amount of force, what will happen?

• The green team will win.

• The blue team will win.

• Both teams will not move.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Currently, both teams have the same force. What could you make the system be unbalanced and have the blue team win? Select all that apply.

• Add another person to the blue team to increase the force.

• Take another green person away so you can decrease the force of the green team.

• Add another person to the blue team to decrease the force/

• Take another green person away so that you can increase the force of the green team.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2