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- 1. Multiple Choice
Headrests protect you from what common injury?
Broken bones
Whiplash
DEATH!
Loss of limb
- 2. Multiple Choice
__________________ are used to safely decrease the momentum of a CAR (*not only the person).
Airbags
Crumple zone
Seatbelts
Headrest
Breaks
- 3. Multiple Choice
Some safety features are designed to increase the time of a collision because this reduces the maximum force.
True
False
- 4. Multiple Choice
Airbags absorb the inertia of your body in a crash by increasing the __________ it takes to slow your body down.
Time
Pressure
Acceleration
Momentum
- 5. Multiple Choice
Seatbelts save thousands of lives every year.
True
False
- 6. Multiple Choice
Crumple zones are designed to deform to absorb forces. What safety feature prevents the area around the people from deforming with the crumple zone?
Airbags
Crumple zone
Seatbelts
Safety Cage
Breaks
- 7. Multiple ChoiceJonny 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?400 N24 N0 N40 N
- 8. Multiple ChoiceWhat will cause an object to move?Applied forcesBalanced forcesUnbalanced forces
- 9. Multiple Choice
If an object is stationary (not moving) the forces acting upon it are _____________unbalancedweakbalancedHulk Smash! - 10. Multiple ChoiceWhich one is balanced?topbottomboth
- 11. Multiple ChoiceWhat is a force?a push or pullspeed or accelerationpotential or kinetic energybalanced or unbalanced force
- Answer choicesTagsAnswer choicesTags