Semester EC

Changing the speed and changing the direction of your bicycle are both examples of acceleration.

• TRUE
• FALSE

Pick all of the following that are velocities.

• 4 km/s west

• 5 cm/h south

• 2 mph

• 5 m/s up

A measurement of how fast an object is moving

• Velocity
• Speed
• Vector
• Acceleration

Tags

NGSS.MS-PS3-1

What is the net force?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left

Tags

NGSS.MS-PS2-2

A ____________ is a push or a pull on an object.

• friction

• force

• magnet

• gravity

Tags

NGSS.MS-PS2-1

Balanced or unbalanced?

• balanced
• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the SI unit used to measure force? 

• pounds 
• grams 
• newtons 
• friction

Two factors effecting the magnitude of the force of gravity between 2 objects are...

• mass and distance 
• mass and matter
• distance and weight 
• weight and mass

Tags

NGSS.MS-PS2-4

What happens to the velocity of a ball as it is dropped off a cliff? 

• It decreases at a uniform rate 
• It increases at a uniform rate 
• It is constant 
• It increases at a non-uniform rate

Tags

NGSS.MS-PS3-1

NGSS.MS-PS2-4

NGSS.MS-PS3-5

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1