What is a force primarily defined as?

• A type of energy

• A push, pull, or twist

• A form of motion

• A type of reaction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which example illustrates a non-contact force?

• Pushing a wall

• Magnetism

• Kicking a football

• Tug-of-war

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is an example of a force that acts without contact?

• Gravity

• Sitting on a chair

• Pulling a rope

• Holding a book

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

What happens when forces are balanced?

• The object moves in the direction of the larger force

• The object changes shape

• The object accelerates

• The object remains stationary

Tags

NGSS.MS-PS2-2

What does Newton's third law imply about forces?

• Forces occur singly

• Forces always cause motion

• Forces always work in pairs

• Forces are always unbalanced

Tags

NGSS.MS-PS2-1

What example is used to explain balanced forces in the video?

• A book falling

• A car accelerating

• A box with equal forces acting on opposite sides

• A bird flying

How do balanced forces affect the motion of an object?

• They do not change the object's motion

• They cause the object to rotate

• They cause the object to move faster

• They slow down the object

Tags

NGSS.MS-PS2-2

What is the result of unbalanced forces acting on an object?

• The object remains static

• The object moves in the direction of the net force

• The forces cancel each other out

• The object levitates

Tags

NGSS.MS-PS2-2

What is the unit of force as mentioned in the video?

• Watts

• Joules

• Pascals

• Newtons

What happens when the forces acting on an object are not equal?

• The object disintegrates

• The object moves in the direction of the larger force

• The object moves in a random direction

• The object remains in place

Tags

NGSS.MS-PS2-2