Forces 03 - Numbers Setup (P)

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For all situations, assume
- acceleration is constant
- the object begins at the origin
- ‘north’ and ‘east’ are positive directions and drawn to the right.

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On a sheet of paper, complete the following for each situation below:

a. Motion Description
b. Sketch
c. Positive Directions
d. Motion Diagram
e. Position vs Time graph
f. Velocity vs Time graph
g. Acceleration vs Time graph
h. Interaction Diagram
i. Force diagram
j. Summed forces in x- and y-direction

1. A 370 g cubic blue jay is being pulled upwards by a rope, but the blue jay does not move from the ground.

2. A 892 g cubic goose is pushed North along a dirt path by a black and white cat. The goose is moving slowly North and speeding up.

3. A 425 g cubic loon is moving upwards while being lifted by a rope. The loon is moving slowly and slowing down.

4. A 210 g cubic swan is sliding along a dirt path. It is moving super fast east.

a. Motion Descriptions

4 points

speeding up

slowing down

moving at a constant speed

[up]

[down]

[N]

[S]

[E]

[W]

at rest

The blue jay is

The goose is

The loon is

The swan is

b. From the image below, select the sketch that best matches the one you drew for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

c. From the image below, select the motion diagram that best matches the ones you've drawn for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

d. Select the positive directions for each situation.

*positive x- AND y-directions

4 points

[up]

[down]

[right]

[left]

[N]

[E]

[S]

[W]

blue jay

goose

loon

swan

e. From the image below, select the position vs time graph that best matches the ones you've drawn for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

f. From the image below, select the velocity vs time graph that best matches the ones you've drawn for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

g. From the image below, select the acceleration vs time graph that best matches the ones you've drawn for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

h. Select all the (object, force) options that best match those found in your interaction diagram for each situation.

4 points

Earth, Fg

ground/dirt path, FK

ground/dirt path, FS

ground/dirt path, FN

ground/dirt path, Fapp

rope, FN

rope, FT

rope, Fapp

rope puller, FN

rope puller, FT

rope puller, Fapp

pusher, FN

pusher, FT

pusher, Fapp

air, Fair

air, Fapp

blue jay

goose

loon

swan

i. From the image below, select the force diagram that best matches the ones you've drawn for each situation.

4 points

blue jay

goose

loon

swan

Clear selection

j. Summing forces

Check all the forces in your equation for each situation.

8 points

no forces

+Fg

-Fg

+FK

-FK

+FS

-FS

+FN

-FN

+FT

-FT

+Fair

-Fair

+Fapp

-Fapp

blue jay ΣFx = ?

blue jay ΣFy = ?

goose ΣFx = ?

goose ΣFy = ?

loon ΣFx = ?

loon ΣFy = ?

swan ΣFx = ?

swan ΣFy = ?

Submit

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