Force and Motion 2

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

the tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference

Anything with ____________ also has a gravitational pull.

• mass

• size

• depth

• light

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What is weight?

• how much fat is on your body

• how strong you are

• how strongly your body is being pulled down by gravity

• when you have to stand in line

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

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

• size and shape
• mass and speed
• mass and velocity
• mass and energy

Tags

NGSS.HS-PS2-2

Determine the momentum of 1000-kg car moving northward at 20 m/s.

• 20000 N
• 20000 Joules
• 20000 Kg * m/s
• 20000 kg * m/s north

Tags

NGSS.HS-PS2-2

A boy kicks a football with a force of 20 N in 0.3 s.
Calculate the impulse on the ball.

• 1 N.s
• 6 N.s
• 66 N.s 
• None of these

Tags

NGSS.HS-PS2-1

The equation to calculate momentum is __________.

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

impulsive force is

• the change in velocity

• the rate of change in momentum

• the change in acceleration

• the rate of change in inertia

which of the following will reduce impulsive force

• increase in velocity

• increase in mass

• increase in time

• increase in acceleration