Objects and gravity

Which illustrations show NONCONTACT forces causing a change in motion?

Select all that applies.

• A. The boy pushes a box.

• B. The girls pulls a wagon.

• C. Rocks falls down the hill.

• D. Acorns falling from a tree.

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

How is non-contact force like a contact force? How are they different?

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

If air does not affect the apples falling from the three, which statement is true?

• the small apple will fall faster.

• the bigger apple will fall first.

• both apples will fall at different times.

• both apples will fall at the same speed.

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NGSS.3-PS2-1

NGSS.3-PS2-2

Distance is how ___ an object is from another.

There are two forces working against each other. After the baseball player hits the ball, draw how gravity would affect it.

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NGSS.MS-PS2-4

Gravity is a force that

• pushes

• pulls

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NGSS.MS-PS2-4

The boy is holding up a model car in his hands.  Is gravity pulling on the toy? Explain.

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NGSS.MS-PS2-4

Gravity is always pulling down to

• the floor

• Earth

• it doesn't pull, it pushes objects

• whatever direction it was going to

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NGSS.5-PS2-1

Without gravity we would________. 

• Float away
• Stay in the ground
• Nothing would happen.
• I don't know

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

The strength of the force of gravity depends on

• the speed of the object

• the distance between them

• the weight of the objects

• the size of the objects

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NGSS.MS-PS2-4

NGSS.MS-PS2-2