MS2_P9_Q4

The momentum depends on the object’s

• size and shape

• mass and velocity

• mass and direction

• energy and velocity

Tags

NGSS.HS-PS2-2

The unit of measurement of momentum is

• kg m/s

• kg m/s²

• kg m²s²

• kg/m s

Tags

NGSS.HS-PS2-2

Which object has the greatest momentum?

• a 0.10 kg object moving at 0.5 m/s

• a 10 kg object moving at 0.01 m/s

• a 0.15 kg object moving at 10 m/s

• a 0.5 kg moving at 1 m/s

Tags

NGSS.HS-PS2-2

Which of the following statements are true about momentum?

I.                 An object which is moving at a constant speed has no momentum.

II.                Two objects are moving at the same speeds, the massive object has more momentum.

III.              When two identical objects are moving at the same speed but in opposite direction, the forward moving object has more momentum.

IV.              An object with a changing velocity will have a changing momentum.

• I and II

• II and III

• III and IV

• II and IV

Tags

NGSS.HS-PS2-2

A/n_______ is equal to a change in momentum.

• force

• impulse

• work

• energy

Tags

NGSS.HS-PS2-2

An egg is thrown against the wall and the bedsheet. In which case will the force of impact greater?

• against the wall

• against the bedsheet

• forces are equal

• either the wall or the bedsheet

Tags

NGSS.HS-PS2-1

A 1 kg object flying at 10 m/s hits a wall and bounces off at 8 m/s. What is the magnitude of the impulse?

• 1 kg m/s

• 2 kg m/s

• 10 kg m/s

• 20 kg m/s

Tags

NGSS.HS-PS2-2

Which statements are TRUE about impulse?

I.                 The kg m/s is equivalent to the units of impulse.

II.                Colliding objects encounter impulses.

III.              Impulse is a force.

IV.              Impulse has no direction.

• I and II

• II and III

• III and IV

• I and IV

Tags

NGSS.HS-PS2-2

In the Law of Conservation of Momentum, the total momentum before collision is _______ the total momentum after collision.

• less than

• greater than

• equal to

• dependent to

Tags

NGSS.HS-PS2-2

When momentum is conserved, the total momentum of the system is _________.

• equal to zero

• greater than zero

• less than zero

• unquantifiable

Tags

NGSS.HS-PS2-2