Balancing Forces Unit Review

If an object is not moving, ____________ forces must be acting on it.

• balanced

• unbalanced

• contact

• non-contact

What could the student do to demonstrate an unbalanced forces affect the motion on the soccer ball

• The student could observe and describe the object sitting still. This would demonstrate unbalanced forces.

• The student could push the object from every side. The object would not move but pushes always demonstrate unbalanced forces.

• The student could kick the object from all sides of the box evenly. The object ould stay still but because it is being pushed in several directions, this would demonstrate unbalanced forces. 

• The student could kick from the one direction. The kick would push on the ball. When the ball slides on the field, the motion would demonstrate unbalanced forces. 

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This picture shows which TWO of the following?

• balanced forces

• unbalanced forces

• magnetic force

• touching force

• non-touching force

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What force is acting on the boulder

• There no force acting on the boulder

• The forces are unbalanced

• The forces are balanced

• There too many forces acting

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The feather is not moving. What will mostly likely happen when a force is applied to this feather?

• The feather will stay still.

• The feather will disappear

• The feather will slow down

• The feather will start to move

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Right after Jacob let go of the ball it begins to fall. During this time the forces are ____________.

• unbalanced

• equal

• balacned

• no longer there

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If forces are the balanced the object ___________.

• will not move

• will move

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What is a force?

• a push or pull

• speed or acceleration 

• potential or kinetic energy

• balanced or unbalanced force

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Which statement most likely predicts what the pendulum will do after it swings to the left side?

• It will swing left to right until it stops

• It will only swing to the right

• It will swing higher each time

• It will not move

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Jacob let go of the tennis ball. What force is taking over?

• magnetic force

• balanced force

• touching force

• gravity

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