Momentum - Physics

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

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

What is the unit for momentum?

• m/sec
• kg/sec
• kg/m
• kg m/sec

Tags

NGSS.HS-PS2-2

The impulse is ______ the change in momentum

• greater than
• equal to
• less than
• always double

Tags

NGSS.HS-PS2-2

When the speed of an object is doubled, its momentum _?_.

• remains unchanged, per the law of conservation of momentum

• doubles, because they are directly proportional

• quadruples

• is cut in half, because they are inversely proportional

Tags

NGSS.HS-PS2-2

The variable p stands for _________________.

• motion

• momentum

• impulse

• force

Tags

NGSS.HS-PS2-2

The sum of all forces acting on an object.

• Contact Force
• Balanced Force
• Unbalanced Force
• Resultant Force

Tags

NGSS.HS-PS2-1

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 

• 55 kg*m/s
• 100 kg*m/s
• 250 kg*m/s
• 500 kg*m/s

Tags

NGSS.HS-PS2-2

Rank the following from most to least momentum?

a = a cheetah with a mass of 67 kilograms running at a speed of 52 m/h

b = a bighorn sheep with a mass of 136 kilograms running at a speed of 18 m/h

c = a chimpanzee running at a speed of 25 m/h that has a mass of 54 kilograms

• a, b, c

• a, c, b

• b, a, c

• b, c, a

• c, b, a

Tags

NGSS.HS-PS2-2

What is another name for the "EVENT" when two objects collide in a collision?

• impulse

• force

• action

• reaction

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3