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Laabri

3.1 - Free Body Diagrams

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Last updated over 3 years ago
36 Nsɛmmisa
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Question 1
00:37
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Question 2
00:40
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Question 3
00:47
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Question 4
00:55
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Question 5
01:01
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Question 6
01:37
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Question 7
02:01
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Question 8
02:17
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Question 9
02:24
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Question 10
02:46
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Question 11
02:51
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Questions 12 & 13
03:02
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Question 14
03:22
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Question 15
03:29
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Question 16
03:42
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Question 17
04:05
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Asemmisa {{asɛmmisaAhyɛnsode}}
18.

What does the F stand for on a free-body diagram?

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19.

Name the missing force...

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20.

Name the missing force...

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21.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the...

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22.

The down-arrow in this diagram is most-likely:

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23.

If this object were moving right, the left-arrow in this diagram is most-likely:

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24.

Which of the following is true about this free-body diagram?

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25.

Whenever an object is moving, there is always this force opposing the motion:

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26.

"If we apply a ___________ to an object, its __________________ will change and it will  ______________."

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27.

Use the picture as reference. If the force of the girl pushing is 30N, and the force of the boy who is also pushing is 30N, what is the net force?

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28.

Which diagram best shows person pushing a couch (accelerating) across the floor?

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29.

What is the net force?

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30.

Balanced or unbalanced?

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31.

What is the NET FORCE of this diagram?

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32.

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

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33.

A hockey puck glides to the right across the ice at a constant speed.

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34.

Which free body diagram best represents a bookbag resting on the classroom floor?

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35.

Which freebody diagram best represents a desk being pushed across the classroom floor?

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36.

What is the net force?

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1.

The force of gravity points .

Word Bank:

upward

sideways

downward

adjacent

on top of

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2.

Normal force acts..

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3.

When gravity and normal force are , the box will remain at .

Word Bank:

equal

minus

subtracted

rest

sublimation

cornered

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4.

When normal force equals gravity, the forces are and the net force acting on the object is .

Word Bank:

unbalanced

100 N

zero

balanced

90 N

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5.

Draw and label the free body diagram for this situation.

"A rightward force is applied to the box in order to move it across the table with rightward acceleration." (ignore air resistance)

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6.

Acceleration exists when is changing, and when that occurs the forces acting on the object are .

Word Bank:

balanced

unbalanced

force

velocity

momentum

shipped

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7.

What force is acting against the rightward force...

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9.

Draw and label the free body diagram for this situation.

" A box on the table is moving towards the right at constant velocity." (Ignore Air Resistance)

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10.

In this example, the applied force is equal to force. The size of the two arrows will be drawn as the .

Word Bank:

friction

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11.

Because of the force being zero (friction = applied force). The object (body) will move at that velocity.

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12.

Draw and label the free body diagram for this situation.

"A skydiver is descending with constant velocity".

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13.

Draw and label the free body diagram for this situation.

"An egg is falling from a nest in a tree".

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14.

Because of the table not existing, there will be no force holding him up. Nor is there applied force.

Word Bank:

normal

abnormal

mega

friction

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15.

The sky diver is falling at a constant velocity which implies that the...

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16.

As the velocity is in this case , it implies that air resistance and the force of are equal.

Word Bank:

not nice

weird

gravity

constant

variable

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17.

As the egg is free falling from the nest, it means the egg is . The magnitude of the gravitational force will be than the air resistance, since this is acceleration and not velocity.

Word Bank:

accelerating

less

velocity

more

equal