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6.4 Gravity and Freefall

Authored by Brent Nenadal

Science, Physics

10th Grade

NGSS covered

Used 16+ times

6.4 Gravity and Freefall
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Media Image

Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?

the feather

the metal bolt

They would hit the ground at the same time.

They would be suspended in a vacuum.

Tags

NGSS.HS-PS2-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by

its rate depends on its initial speed

about 15 m/s

about 10 m/s

about 5 m/s

Tags

NGSS.HS-PS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which object would fall with greater acceleration in a vacuum - leaf or pebble?

The leaf

The pebble

Difficult to determine without more information

Both accelerate at the same rate

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If you throw a ball straight up, what is its velocity at the highest point?

9.81 m/s2

0.0 m/s2

9.81 m/s

0.0 m/s

Tags

NGSS.HS-PS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The standard acceleration due to gravity (or standard acceleration of free fall), is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as:

9.8 m/s.

9.8 m.

9.8 m/s2.

9.8 s.

Tags

NGSS.HS-PS2-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What happens to the velocity of a ball as it is dropped off a cliff?

It decreases at a uniform rate

It increases at a uniform rate

It is constant

It increases at a non-uniform rate

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an object is accelerating due to the force of gravity and no other force it is:

changing direction

motionless

in free fall

at terminal speed

Tags

NGSS.HS-PS2-1

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