Balanced and Unbalanced Forces

What makes it hard to ride a bike on grass?

• Gravity

• Friction

• Magnetism

Tags

NGSS.MS-ETS1-1

What is a push or a pull?

• work

• energy

• force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a force that pulls down on the aircraft?

• lift

• weight

• drag

• thrust

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NGSS.MS-PS2-4

What is a force that slows an aircraft down?

• lift

• weight

• drag

• thrust

If an aircraft is flying straight, what kind of force will it be?

• balanced

• unbalanced

What might happen when an aircraft becomes an unbalanced force?

• nothing happens

• it flies straight

• the aircraft turns

Tags

NGSS.MS-PS2-2

If an aircraft need to take off, which 2 forces need to increase?

• lift and weight

• drag and thrust

• lift and thrust

• drag and weight

This two persons have the same

force and no one is moving.

Are the forces balanced or unbalanced?

• Unbalanced

• Balanced

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NGSS.3-PS2-1

When a car is MOVING the forces are _________.

• Balanced

• Unbalanced

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NGSS.MS-PS2-2

What is the name of the force the pulls us down

to earth and doesn´t let us go flying into space?

• Singing

• Gravity

• Jump

• Sleep

Tags

NGSS.5-PS2-1