forces & motion

What is the formula to calculate speed?

• Speed = time/distance
• Speed = distance/time
• Speed = distance x time
• Speed = time x distance

Tags

NGSS.MS-PS3-1

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.MS-PS2-2

Slowing down is called

Choose all that apply.

• negative acceleration

• velocity

• speed

• deceleration

Which situation describes a car which is NOT accelerating?

• A car shortly after a stoplight turns green

• A car with the cruise control set at a constant 80 km/h

• A car approaching a red light

• A car turning a curve at a constant speed

The force that pulls things toward earth.

• Speed
• Gravity

Tags

NGSS.MS-PS2-4

Force depends on

• Force
• mass
• acceleration
• mass and acceleration 

Tags

NGSS.MS-PS2-2

What 2 factors determine the amount of force an object receives?

• speed & height

• size & distance

• mass & speed

Tags

NGSS.MS-PS2-2

What is the equation for force?

• E=mc2

• F=ma

• Q=mv3

Tags

NGSS.MS-PS2-2

What is the equation to calculate time?

• time = speed/distance
• time = distance/speed 
• time = speed x distance 
• time = distance x speed