2nd 9 Week Test Review

A car accelerates from rest to 60 mph in 6 seconds. Which equation correctly represents the net force acting on the car if its mass is 1500 kg?

• F = 1500 · 4.47

• F = 1500 · 10

• F = 1500 · 2.24

• F = 1500 · 6

Tags

NGSS.MS-PS2-2

During a tug-of-war game, Team A pulls with 500N of force eastward while Team B pulls with 500N of force westward. What is the net force?

• 1000N eastward

• 0N

• 500N eastward

• 500N westward

Tags

NGSS.MS-PS2-2

Which type of star has the highest surface temperature according to the Hertzsprung-Russell diagram?

• Red Giant

• White Dwarf

• Blue Supergiant

• Yellow Dwarf

A rocket launches from a platform. Which of Newton's laws best explains why the rocket moves upward?

• First Law of Motion

• Third Law of Motion

• Second Law of Motion

• Law of Universal Gravitation

An object moves according to the following distance-time data: 0m at 0s, 2m at 1s, 4m at 2s, 6m at 3s. What is its average speed?

• 2 m/s

• 3 m/s

• 4 m/s

• 6 m/s

Which galaxy type is characterized by a central bulge with spiral arms?

• Irregular

• Elliptical

• Spiral

• Lenticular

A 5 kg object experiences an acceleration of 2 m/s^2. What is the net force acting on it?

• 2.5 N

• 10 N

• 7 N

• 15 N

Tags

NGSS.MS-PS2-2

In which stage of its life cycle would a star like our Sun be the most luminous?

• Main Sequence

• White Dwarf

• Red Giant

• Protostar

When analyzing a distance-time graph, what does a horizontal line indicate?

• Increasing speed

• Zero velocity

• Negative acceleration

• Maximum velocity

Which forces are acting on a skydiver who has reached terminal velocity?

• Only gravity

• Gravity and wind resistance, unequal

• Gravity and wind resistance, equal

• Only wind resistance

Tags

NGSS.MS-PS2-4