Force and Motion, Balanced and Unbalanced Forces, Speed, Distance, and Time, Inclined Planes Test

Which of the following objects has the least acceleration?

• a. an empty shopping cart pushed with a hard force

• b. a full shopping cart pushed with a hard force

• c. an empty shopping cart pushed with a light force

• d. a full shopping cart pushed with a light force

Tags

NGSS.MS-PS2-2

Speed is equal to 

• Distance/Time

• Time/Distance

• Time x Distance

• Acceleration

Tags

NGSS.MS-PS3-1

During which interval is the object speeding up?

• A to B

• B to C

• D to E

• E to F

Tags

NGSS.MS-PS3-1

What is this graph showing?

• Constant Speed

• Acceleration (speeding up)

• Deceleration (slowing down)

• No motion

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No

• 4 N Left  No

• 12 N Right  Yes

• 4 N Left  Yes

Tags

NGSS.MS-PS2-2

As a roller coaster car travels down a hill, which type of change in energy allows it to speed up?

• potential energy changing to heat energy

• potential energy changing to kinetic energy

• kinetic energy changing into heat energy

• kinetic energy changing into potential energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

How can an inclined plane make work easier?

• by increasing the amount of friction

• by increasing the effort necessary to raise the object

• by decreasing the effort required to raise an object

Which best describes how forces must interact for a kite to sail up into the air?

• The force of gravity must be equal to the force of the wind.

• The force of gravity must be greater than the force of the wind.

• The force of the wind must be greater than the force of

  gravity.

Tags

NGSS.MS-PS2-4

A wagon is pulled to the right using a force of 20 N and to the left using a force of 30 N. What is the net force on the wagon?

• 10 newtons to the left

• 50 newtons to the left

• 10 newtons to the right

• 50 newtons to the right

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Which statement BEST explains why a car that is rolling on a level surface will eventually come to a stop?

• Frictional forces oppose the motion of the car.

• Forward motion slowly runs out as energy is expended.

• The natural state of an object is to be at rest.

• Inertia acting on an object will dissipate.

Tags

NGSS.MS-PS3-5