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WorksheetsCar Safety
Total questions: 11
Worksheet time: 8mins
Name
Class
Date
1.
Headrests protect you from what common injury?
a)
Broken bones
b)
Whiplash
c)
DEATH!
d)
Loss of limb
2.
__________________ are used to safely decrease the momentum of a CAR (*not only the person).
a)
Airbags
b)
Crumple zone
c)
Seatbelts
d)
Headrest
e)
Breaks
3.
Some safety features are designed to increase the time of a collision because this reduces the maximum force.
a)
True
b)
False
4.
Airbags absorb the inertia of your body in a crash by increasing the __________ it takes to slow your body down.
a)
Time
b)
Pressure
c)
Acceleration
d)
Momentum
5.
Seatbelts save thousands of lives every year.
a)
True
b)
False
6.
Crumple zones are designed to deform to absorb forces. What safety feature prevents the area around the people from deforming with the crumple zone?
a)
Airbags
b)
Crumple zone
c)
Seatbelts
d)
Safety Cage
e)
Breaks
7.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
8.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
9.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
10.
Which one is balanced?
a)
top
b)
bottom
c)
both
11.
What is a force?
a)
a push or pull
b)
speed or acceleration
c)
potential or kinetic energy
d)
balanced or unbalanced force
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