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WorksheetsProving and Explaining Impulse and Wearing a Helmet
Total questions: 11
Worksheet time: 6mins
What number video is this for bathrobe day?
1
2
3
Wait... there were other videos?
In the impulse approximation, what is negligible?
Time
Mass
Acceleration
Other Forces
What forces are acting on Mr. P when he makes contact with the ground?
Friction
Force of Ground (Normal Force)
Inertia
Force of Gravity (Weight)
Why is the impulse approximation not good when looking at the bent knee calculation for force?
The time of impact is really great
The error was 42%
It was good for this! What video were you watching?
Initially, the guy on the right has a helmet on his head... but is he really wearing it?
Yes!
No... it needs to be strapped
To prove the importance of buckling the strap on a helmet, what does Mr. P do?
Ride his bike into a car
Ride his bike off a cliff
Ride his bike around the house
Ride his bike off a dock into a lake
What law do we start with to understand the impact of not wearing a helmet?
Newton's 1st law
Newton's 2nd law
Newton's 3rd law
Newton's law of universal gravitation
Does the helmet change the mass of your head?
Yes
No
Wearing a helmet changes the value of which variable in the impulse equations?
Mass
Velocity
Impulse
Time
What other things increase times of impact to lower the force of impact?
Air bags
Bubble wrap
Seat belts
Crumple zones
Mr. P tells a story of a friend in a bike accident. What animal ran in front of his friends bike?
Deer
Squirrel
Raccoon
Meerkat
