U5 Videos FP 6.1.5
Interactive Video
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others
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11th Grade
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Practice Problem
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Hard
David Bower
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the core principle of the Impulse Approximation during a collision?
The net force is always zero.
The force of impact is much smaller than other forces.
The force of impact is much larger than all other forces, making other forces negligible.
The collision time interval is always very long.
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Are you enjoying the video lesson?
Yes
No
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When applying the Impulse Approximation to a person landing, which forces are typically considered to determine the actual normal force (force of impact)?
Only the force of gravity.
Only the normal force.
The normal force and the force of gravity.
The force of friction and air resistance.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A person with a mass of 73 kg lands with bent knees, experiencing a net force (ΣF_y) of 988.03 N during a collision. What is the normal force (F_N) exerted by the ground on the person? (Assume g = 9.81 m/s²).
988.03 N
716.13 N
1704.16 N
11782.06 N
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the duration of a collision affect the accuracy of the Impulse Approximation?
A longer collision time leads to a more accurate approximation.
A shorter collision time leads to a less accurate approximation.
A shorter collision time leads to a more accurate approximation.
Collision duration has no effect on the approximation's accuracy.
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