Balanced & Unbalanced Forces (GENERATION GENIUS)

What 2 things do all forces have?

When playing tug of war and neither side moves, forces are…

• unbalanced

• balanced

• multiplied

• unequal

In tug of war, when one team moves toward the other, what can be said about the forces?

• The forces are balanced.

• The forces are unbalanced.

• The forces are equal.

• The forces are negligible.

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When floating a ping-pong ball with a hairdryer, which two forces are balanced?

• Force pulling down: ___________________________ Force pushing up: ___________________________

• Force pulling down: Gravity Force pushing up: Air Resistance

• Force pulling down: Friction Force pushing up: Buoyancy

• Force pulling down: Tension Force pushing up: Magnetic

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5. If the hairdryer was put on full power, what would happen? Why?

• It would blow more air because it is on full power.

• It would stop working because it is overloaded.

• It would make no difference because power doesn't affect it.

• It would consume less energy because it is efficient.

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When Dr. Jeff jumps on a skateboard and uses the fire extinguisher to move, which of these does he change to move BACK to where he started?

• amount of force

• type of force

• direction of force

• skateboard wheels

True or false: balanced forces are important for a hover board to float.

• True

• False

In Zoe’s egg drop experiment, which two forces are balanced that keep the egg from moving before she hits the pan?

• 1. Gravitational force 2. Normal force

• 1. Frictional force 2. Tension force

• 1. Magnetic force 2. Electric force

• 1. Applied force 2. Air resistance

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NGSS.MS-PS2-4

True or false: the downward motion of the egg in Zoe’s experiment is due to unbalanced forces.

• True

• False

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NGSS.MS-PS2-2

When Izzy applied a force to the golf ball, it went in the right direction, so why didn’t it go in the hole?

• The force was too weak.

• The ball was too heavy.

• The hole was blocked.

• The wind changed direction.