DOL momentum

The law of conservation of momentum states that the total momentum of all objects interacting with each other will  ________________________ no matter of the nature of the forces between the object.

• increase
• decrease
• remain constant
• fluctuate

Tags

NGSS.HS-PS2-2

True/False:  Inelastic Collision causes a rebound.

• True
• False

True/False:  Elastic Collision causes a rebound.

• True
• False

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and veloctiy
• mass and energy

Tags

NGSS.HS-PS2-2

What are the units for momentum

• kg*m/s

• kg

• m/s

• none of these

Tags

NGSS.HS-PS2-2

In order for an object to have momentum it must be ________

• moving

• motionless

• alive

• asleep

Tags

NGSS.HS-PS2-2

All of the following may be the result of an inelastic collision except:

• permanent change in the shape of the colliding bodies

• zero loss of kinetic energy

• kinetic energy released as sound

• colliding bodies stick to one another

Tags

NGSS.HS-PS2-3

Type of collision in which kinetic energy is lost

• elastic

• inelastic

• both

• neither

Calculate the momentum of a 55-kg running back moving westward at 10 m/s.

• 550 kg·m/s, west

• 550 kg·m/s

• 550 m/s, west

• 550 kg, west

Tags

NGSS.HS-PS2-2

Calculate the momentum of a 1200-kg truck moving northward at 30 m/s.

• 36000 kg·m/s, north

• 400 kg·m/s, north

• 36000 kg·m/s

• 400 kg·m/s

Tags

NGSS.HS-PS2-2