Force, Speed, velocity

What is the net force?

Do not forget your unit :)

Do not worry about the direction :)

Tags

NGSS.MS-PS2-2

This diagram can be used to indicate which of the following? (TWO correct answers)

• a object at rest

• an object moving at a constant velocity (speed)

• an object accelerating

• (Trick question -- there is only one correct answer)

• an object decelerating

What is the net force?

Do not forget your unit :)

Do not worry about the direction :)

Tags

NGSS.MS-PS2-2

Is this a speed or acceleration graph?

• speed

• acceleration

Tags

NGSS.MS-PS3-1

__________: Unequal forces on an object that may result in a change in position, direction, or motion: Net force does not equal zero

• Balanced Force

• Law of Inertia

• Law of force and acceleration

• Unbalanced Force

Tags

NGSS.MS-PS2-2

Avery likes to walk 30 feet in 10 seconds. What is her speed?

• 3 feet/sec
• 6 feet/sec
• 10 feet/sec
• 2 feet/sec

Tags

NGSS.MS-PS3-1

Another way to explain the speed and direction of a object would be to describe it’s ________

• Speed

• Velocity

• Acceleration

Tags

NGSS.MS-PS3-1

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Which is an example of speed?

• A car driving 55 miles per hour south.

• A bicyclist traveling 10 meters per hour toward the next town.

• A roller coaster is traveling 10 meters per second.

• A rocket blasting off at 2,500 meters per second toward space.

What is happening at segment B?

• acceleration

• deceleration

• constant speed

• no motion/object at rest

Tags

NGSS.MS-PS3-1