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A game of tug-of-war, in which two teams pull on opposite ends of a rope, is illustrated here. The center of the rope will move when which of the following is true?

• The ground provides no friction for either team

• One team has more people than the other

• The rope has essentially no mass of its own

• One team pulls with more force than the other

Two horses pull in opposite directions, but together move in the direction shown. Which of the following best describes the forces being applied in this situation?

• The forces are balanced, and the net force is zero

• The forces are unbalanced, and the force of Horse 1 is greater

• The forces are unbalanced, and the force of Horse 2 is greater

• The forces are balanced, and the force of Horse 1 is greater

Two students apply force to a box at rest on the floor. What is the total amount of force in Newtons acting on the box and in which direction?

• 10 N Let

• 10 N Right

• 70 N Left

• 70 N Right

Which of the following examples best represents an object with balanced forces acting upon it?

• A boat moving through the water.

• A book sitting on a high shelf.

• A wagon rolling down a steep hill.

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions. 

Forces that have a net force of zero ( the object is still).

• Balanced force
• Unbalanced force

Balanced or unbalanced?

• balanced
• unbalanced

___________ is a push or a pull on an object.

• friction
• force
• magnet
• gravity

The forces balance each other.

• true

• false

Forces that are exerted on an object which are equal are called _____________ _____________.

• Unbalanced force

• Balanced force