Car Safety

Headrests protect you from what common injury?

• Broken bones

• Whiplash

• DEATH!

• Loss of limb

Tags

NGSS.HS-PS2-3

__________________ are used to safely decrease the momentum of a CAR (*not only the person).

• Airbags

• Crumple zone

• Seatbelts

• Headrest

• Breaks

Tags

NGSS.HS-PS2-3

NGSS.HS-PS2-2

Some safety features are designed to increase the time of a collision because this reduces the maximum force.

• True

• False

Tags

NGSS.HS-PS2-3

Airbags absorb the inertia of your body in a crash by increasing the __________ it takes to slow your body down.

• Time

• Pressure

• Acceleration

• Momentum

Tags

NGSS.HS-PS2-3

Seatbelts save thousands of lives every year.

• True

• False

Tags

NGSS.HS-PS2-3

NGSS.HS-ETS1-3

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

Tags

NGSS.HS-PS2-3

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?

• 400 N
• 24 N
• 0 N
• 40 N

Tags

NGSS.HS-PS2-1

What will cause an object to move?

• Applied forces
• Balanced forces
• Unbalanced forces

Tags

NGSS.HS-PS2-1

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.MS-PS2-2

Which one is balanced?

• top
• bottom
• both

Tags

NGSS.HS-PS2-1