Balanced & Unbalanced Forces
Balanced Forces & Engineering
Patterns of Motion, Gravity & Friction
100

 a push or a pull  

What is force?

100

a bridge with a curved arch in the center  

What is an arch bridge?

100

 an invisible force that resists the motion of an object  

What is friction?

200

 to move an object toward you  

What is pull?

200

a bridge that is supported by thick poles

What is a pillar bridge?

200

an invisible force that pulls any object down, toward the Earth  

What is gravity?

300

 to move an object away from you  

What is push?

300

a bridge where the weight is pulled up by ropes hung from tall poles

What is a suspension bridge?

300

a change in the position of an object

What is motion?

400

 two equal forces that push or pull in opposite directions so that the object doesn't move  

What is balanced forces?

400

a bridge with triangular supports

What is a truss bridge?

400

b. It will travel toward Tonya and stop before it reaches her.

500

 two forces that push and pull in opposite directions where one force is greater than the other so that the object moves

What is unbalanced forces?

500

the strongest shape

What is a triangle?

500

a. Observe how far the ball travels after kicking it         with different amounts of force.  

c. Measure the distance the soccer ball travels each      time it’s kicked.