Which of the following features helps to protect passengers in a front end collision?

Which of the following features helps to protect passengers in a front end collision?

Air bags are used in cars as a safety feature to protect front-seat passengers.

Why is a soccer ball at rest on the field when it suddenly?

A soccer ball is at rest on the field when it suddenly encounters a collision with a moving foot. The force causes the soccer ball to change its momentum.

What is the standard metric unit of impulse?

As a result, the units of impulse are force multiplied by time. Newton is the standard metric unit of force, and the second is the standard metric unit of time. Newton. second(N.s) is the standard metric unit of impulse.

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What quantity causes a momentum change and is equal to the amount of momentum change?

In a collision, objects experience an impulse; the impulse causes and is equal to the change in momentum.

What is crumple zone in physics?

Crumple zones are structural areas in the front and sometimes rear of a vehicle that are designed to absorb energy upon impact in a predictable way.

What are the safety features of crumple zones?

Crumple zones are designed to absorb impact energy during a collision so that most of the energy is dissipated across these zones, and not in your passenger compartment. The strong outer shell comes with front and rear crumple zones that help to absorb the impact of a crash, increasing the safety of occupants.

Why a moving ball on the ground stops after covering a certain distance?

A moving ball stops after moving a certain distance due to frictional force which is acting opposite to the direction of motion.

What does the acceleration of an object depend on?

The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

Why does a ball slow down and come to a stop when kicked across a field?

Friction occurs when there are two objects that come into contact. They touch each other while moving in opposite directions. While the ball is rolling on the field, the grass creates friction, and little by little, it starts to slow down.

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Is newton a SI unit?

The SI unit of force is the newton, symbol N.

Is impulse a SI unit?

The SI unit of impulse is the newton second (N⋅s), and the dimensionally equivalent unit of momentum is the kilogram metre per second (kg⋅m/s).

Is impulse a vector?

Impulse is a vector, so a negative impulse means the net force is in the negative direction. Likewise, a positive impulse means the net force is in the positive direction.

What other aspects of your car are designed to help protect passengers in a collision?

  • Airbags. Front airbags have been standard on all new cars since 1998 and light trucks since 1999. …
  • Antilock brakes (ABS) …
  • Traction control. …
  • Electronic stability control. …
  • Safety-belt features. …
  • Newer safety features – accident avoidance systems. …
  • Tire-pressure monitors. …
  • Telematics.

What is used to help protect occupants during a side impact collision?

Air bags are supplemental protection and are designed to work best in combination with seat belts. Both frontal and side-impact air bags are generally designed to deploy in moderate to severe crashes and may deploy in even a minor crash.

How do they protect passengers in cars?

Front airbags have been so effective at protecting passengers from impact injuries that, in 1999, car manufacturers became federally required to equip all vehicles with front airbags for both drivers and passengers.

Which device is used to hold a vehicle occupant in place during a collision?

The safety belt is the most effective safety device available to every motorist because it prevents the “second collision,” which occurs when the occupant collides with the inside of the vehicle. Medical costs for unrestrained occupants are 50 percent higher than for persons wearing safety belts.

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