Momentum Intro

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

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

Tags

NGSS.HS-PS2-2

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Tags

NGSS.HS-PS2-2

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

When the mass of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.

• doubles

• quadruples

• decreases

Tags

NGSS.HS-PS2-2

Determine the momentum of 1000-kg car moving northward at 20 m/s - [NOTE: Direction of motion matters (+/-).]

• 20000 N

• 20000 Joules

• -20000 Kg * m/s

• 20000 kg * m/s

Tags

NGSS.HS-PS2-2

If a 20 kg object moves southward with a velocity of 4 m/s, what is the momentum of the object? [NOTE: Direction of motion matters (+/-).]

• -80 kgm/s

• 80 kgm/s

• 5 kgm/s

• -5 kgm/s

Tags

NGSS.HS-PS2-2

An 8 kg object moves eastward with a velocity of 0.25 m/s, what is its momentum? [NOTE: Direction of motion matters (+/-).]

• 32 kgm/s

• -32 kgm/s

• -2 kgm/s

• 2 kgm/s

Tags

NGSS.HS-PS2-2

A 5 kg object moves westward with a velocity of 5 m/s, what is its momentum? [NOTE: Direction of motion matters (+/-).]

• 25 kgm/s

• -1 kgm/s

• -25 kgm/s

• 1 kgm/s

Tags

NGSS.HS-PS2-2

Which object listed below has the greatest momentum?

• A 0.05 kg object rolling at 0.2 m/s.
• A 0.15 kg object rolling at 2 m/s.
• A 0.15 kg object rolling at 1 m/s
• A 0.4 kg object rolling at 2 m/s.

Tags

NGSS.HS-PS2-2