Category 2 Review

A motorcycle traveling 35 mi/hr slows as it approaches a stop sign. This is an example of ?

• Acceleration

• Speed

• Velocity

• Velocity

In the picture above two students are playing tug of war. Each team is pulling in the opposite direction, but both teams are moving in the same direction. Which of the following best describes the forces in this situation?

• The forces are balanced and the net force is zero.

• The forces are balanced and Team A is exerting a greater force.

• The forces are unbalanced and Team A's force is greater.

• The forces are unbalanced and Team B's force is greater.

Tags

NGSS.MS-PS2-2

A bike racer travels 17 mi/hr in a southerly direction. This is an example of...

• Distance

• Speed

• Velocity

• Acceleration

When the air is released from a balloon, the air moves out of one end of the balloon and moves in the other direction. Which statement does this situation best illustrate?

• What goes up must come down

• For every action there is an equal and opposite reaction

• The shape and size of an object affect air resistance.

• The acceleration due to Earth's gravity is 9.8 m/s²

Tags

NGSS.MS-PS2-1

Which graph best represents a car traveling down the freeway at a constant speed.

• 
• 
• 
• 

Tags

NGSS.MS-PS3-1

The graph most likely applies to which activity?

• A basketball bouncing up and down on the ground.

• A football at rest, then kicked toward a goalpost.

• A car traveling at a constant speed, then stopping are applied

• A person riding a bicycle in a straight line down a road at a constant speed.

Tags

NGSS.MS-PS2-2

What is the average speed of animal A during the race?

• 1 m/s

• 5 m/s

• 16 m/s

• 32 m/s

Tags

NGSS.MS-PS3-1

A spring scale is used to pull each of the four objects. Based on the information provided, which object experiences the greatest acceleration when pulled with 8N of force?

• Object R

• Object S

• Object T

• Object U

Tags

NGSS.MS-PS2-2

Using the glue, a heavy object, or load, can be attached to a board. If the exerts a strong downward force, the glue?

• Destroys the force

• Exerts a stronger downward force

• Causes the load to accelerate upwards

• Exerts and upward force that is equal to the downward force

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

• It's velocity was 7.8 km/s northward

• It's acceleration was 468 km/s²

• It's speed was 468 km/s northward

• It's acceleration was 7.8 km/s²

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS3-1