Forces and Interactions

An object at rest stays at rest unless acted upon by

• Force

• Unbalanced Force

• Opposite reaction

• Inertia

Tags

NGSS.MS-PS2-2

If I push on a car with 10,000 ft/lbs of force and I push on the school with 10,000 ft/lbs of force, which will have greater acceleration? (Force = Mass * Acceleration).

• Equal force

• The school will have greater acceleration

• There is not enough information.

• The car will have greater acceleration

Tags

NGSS.MS-PS2-2

Which produces more opposite force on a car, hitting another car that is also going 100 mph or hitting a wall going 100 mph?

• They are equal

• Two Cars colliding

• One car hitting a solid wall

• Cars will not have opposite forces

Tags

NGSS.MS-PS2-1

If I jump in the air, am I affected by gravity while I am not touching the earth?

• Yes

• No

• Sometimes

Tags

NGSS.MS-PS2-5

What factor affects both electricity and magnetic forces

• Distance

• Polarity

• Turns in a generator

• Alternating or direct current

Tags

NGSS.MS-PS2-3

Put these in order from least gravity to most gravity.

• pig, planet, person, pin

• planet, person, pig, pin

• pin, pig, person, planet

Tendency of an object to maintain motion

• Speed

• Inertia

• Acceleration

• Velocity

Change in distance and direction over time

• Speed

• Inertia

• Acceleration

• Velocity

Change in distance over time

• Speed

• Inertia

• Acceleration

• Velocity

Tags

NGSS.MS-PS3-1

Change in velocity over time

• Speed

• Inertia

• Acceleration

• Velocity

Tags

NGSS.MS-PS3-1