Possible Word problem topics

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Possible Word problem topics

• Roller coaster to a loop.
• P force with bead on wire.
• Spring loaded collision.

• Car around a curve.
• Collision of balls in 2 D.
• Impact collision.
• Energy Conservation
• Conical Pendulum
• equations

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Example 1
r 20m
A roller coaster car (m 500kg) is at two
positions on a loop. If the velocity is
constantly 40 m/s for the car, use a net force
equation to calculate the P force the track
exerts at the top of the loop and bottom of the
loop! Hint Use Fw , P, and Fc!!!
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Example 1
Top

-Fc
-P
-W
A roller coaster car (m 500kg) is at two
positions on a loop. If the velocity is
constantly 40 m/s for the car, use a net force
equation to calculate the P force the track
exerts at the top of the loop and bottom of the
loop! Hint Use Fw , P, and Fc!!!
2
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Example 1
P
Bottom
Fc
-W
A roller coaster car (m 500kg) is at two
positions on a loop. If the velocity is
constantly 40 m/s for the car, use a net force
equation to calculate the P force the track
exerts at the top of the loop and bottom of the
loop! Hint Use Fw , P, and Fc!!!
2
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Example 1
A roller coaster car (m 500kg) is at two
positions on a loop. If the velocity is
constantly 40 m/s for the car, use a net force
equation to calculate the P force the track
exerts at the top of the loop and bottom of the
loop! Hint Use Fw , P, and Fc!!!
R 20 m
top
- 35, 100N
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Example 1
A roller coaster car (m 500kg) is at two
positions on a loop. If the velocity is
constantly 40 m/s for the car, use a net force
equation to calculate the P force the track
exerts at the top of the loop and bottom of the
loop! Hint Use Fw , P, and Fc!!!
R 20 m
Bottom
2
44, 900N
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mv 100kg x 60m/s 6000 kgm/s
Example 2
F t m v ? 0.01s
6000 kg m/s ? 10s 6000 kg m/s
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mv 100kg x 60m/s 6000 kgm/s
F t m v 6 x 105N x 0.01s
6000 kg m/s 600N X 10s
6000 kg m/s
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An F14 traveling at 500 m/s pulls out of a dive
bymoving in an arc of radius 4.00 x103m.
Example 3

• What is the planes acceleration?

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An F14 traveling at 500 m/s pulls out of a dive
bymoving in an arc of radius 4.00 x103m.
Example 3

• What is the planes acceleration?
• Answer 62.5 m/s2

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.
Example 4
Calculate the coefficient of friction that holds
a 2,000Kg car in a curve at the given radius if
the speed is constant at 9 m/s!
r

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.
Example 4
Calculate the coeffficient of friction that holds
a 2,000Kg car in a curve at the given radius if
the speed is constant at 9 m/s!
r
0.41
m2000kg Ff Fw r 20m Fc
Ff Tv 9 m/s
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Conical Pendulum
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L
y
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r
W
Derive the Net Forces in the X and Y
dimensions For Mathys head as a pendulum bob!
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??cos O
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L
??sin O
r
W
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??cos O
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?
L
??sin O
r
W
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??Substitute equations 2)Isolate for v 3) V
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L
r
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