Forces and Changes in Motion

Gravitational force is affected by

• mass only

• distance only

• mass and distance

• being on Earth

Tags

NGSS.MS-PS2-4

As mass increases, gravitational force between two objects

• increases

• decreases

• stays the same

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NGSS.MS-PS2-4

NGSS.MS-PS2-5

What force causes raindrops to fall to the ground?

• air resistance

• electrostatic force

• magnetic force

• gravitational force

Tags

NGSS.MS-PS2-4

There were several soccer balls sitting on the field when Tim got to practice. Which force acts on the balls as they are sitting on the ground?

• friction

• applied

• normal

• air resistance

Why does the moon's gravity have a greater effect than the sun's gravity on Earth's tides?

• The sun has more mass than the moon.

• The Earth has more mass than the sun.

• The sun is closer to the Earth.

• The moon is closer to the Earth.

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NGSS.MS-PS2-4

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

A cloth rubbed on a balloon is an example of

• contact force

• non-contact force

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NGSS.MS-PS2-3

A charged surface such as a styrofoam plate attracts pieces of paper is an example of

• contact force

• non-contact force

Tags

NGSS.MS-PS2-5

What forces are acting on a skydiver when they jump out of a plane?

• gravity and friction

• gravity and air resistance

• magnetic and air resistance

• applied and normal

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Air resistance is a

• contact force

• non-contact force

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NGSS.MS-PS2-2

As the distance between two objects increases,

• the gravitational force increases

• the gravitational force decreases

• the gravitational force stays the same

• the gravitational force goes up and down

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5