Force and Momentum

What is the net force acting on the box?

• 30 N left <--

• 30 N right -->

• 45 N up

• 0 N

Tags

NGSS.MS-PS2-2

What is the net force acting on the airplane?

• 700 N right -->

• 100 N left <--

• 740 N right -->

• 760 N right -->

Tags

NGSS.MS-PS2-2

What is the equation for momentum?

• p = m x v (Momentum = mass x velocity)

• p = m/v (Momentum = mass/ velocity)

• p = v/m (Momentum = velocity/mass)

• p = m + v (Momentum = mass + velocity)

Tags

NGSS.HS-PS2-2

The lioness has a mass of 180 kg and a velocity of 16 m/s to the right. What is her momentum?

• 2880 kg x m/s right

• 11.25 kg x m/s right

• .089 kg x m/s right

• 196 kg x m/s right

In a collision between two objects, which of the following statements is true regarding momentum?

• The total momentum before the collision is always greater than the total momentum after the collision.

• The total momentum before the collision is equal to the total momentum after the collision.

• The total momentum before the collision is always less than the total momentum after the collision.

• Momentum is not conserved in any type of collision.

Tags

NGSS.HS-PS2-2

The Law of Conservation of Momentum states that the total momentum of a closed system is:

• Increasing over time

• Decreasing over time

• Constant, if no external forces act on it

• Zero

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

Tags

NGSS.HS-PS2-2

What is the downward force acting on this object?

• gravity (weight)

• buoyancy

• fluid friction

• momentum

Tags

NGSS.MS-PS2-4

What is the force acting against the motion of this object?

• gravity (weight)

• buoyancy

• fluid friction

• momentum

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the force acting with the motion of this object?

• gravity (weight)

• buoyancy

• fluid friction

• momentum

Tags

NGSS.MS-PS2-2