Calculating Momentum

Which of the following is the formula for momentum?

• p = mv

• M = mv

• F = ma

• g = mc²

Tags

NGSS.HS-PS2-2

Which of the following is the unit for momentum?

• kg·m/s

• kg·m

• kg·m/s²

• Momentum has no unit.

Tags

NGSS.HS-PS2-2

The momentum of an object is related to the object's mass and velocity.

• True

• False

Tags

NGSS.HS-PS2-2

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

Which of the following objects has the greatest momentum?

• a 7.6-kg ball moving at 6.3 m/s westward.

• a 10.8-kg ball moving at 3.8 m/s eastward.

• a 3.2-kg ball moving at 13.3 m/s northward.

• a 5.2-kg ball moving at 8.8 m/s southward.

Tags

NGSS.HS-PS2-2

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

• 25 m/s
• 375 m/s
• 25 kg m/s
• 375 kg m/s

Tags

NGSS.HS-PS2-2

The momentum of a truck traveling in a straight line at 25 m/s is 37,500 kg m/s. What is the truck's mass? 

• 937,500 kg
• 937,500 N
• 1,500 N
• 1,500 kg

Tags

NGSS.HS-PS2-1

How much momentum does a 50 kg mass moving at 10 m/s have?

• 5 kg m/s
• 500 kg m/s
• 5 N
• 500 N

Tags

NGSS.HS-PS2-2

How much momentum does a stationary battle ship have if it has a mass of 2,575,000 kg?

• 2,575,000 N
• 2,575,000 kg m/s
• 0 Momentum requires mass and velocity
• none of the above

Tags

NGSS.HS-PS2-2