STAAR Category 2

A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track. At which location does the marble have maximum kinetic energy?

• Location W

• Location X

• Location Y

• Location Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A 20 kg bike accelerates at 10 m/s². What was the net force? Be sure to include units

Tags

NGSS.MS-PS2-2

Which one of Newton’s Laws of Motion best explains why the dishes do not move when the tablecloth is removed?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

The graph shows the distance a car traveled in 5 seconds while moving on a freeway. What is the average speed of the car?

• 28 m/s

• 145 m/s

• 700 m/s

• 2.7 m/s

Tags

NGSS.MS-PS3-1

The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table below. Which vehicle has the greatest acceleration as it enters the highway?

• Sedan

• Coupe

• SUV

• Truck

Tags

NGSS.MS-PS2-2

According to Newton’s Law of Inertia, an object that is moving will change its motion only if what kinds of forces act on it?

• Constant forces

• Unbalanced forces

• Unbalanced forcesStrong forces

• Gravitational forces

Tags

NGSS.MS-PS2-2

The masses of four objects are given in this table. If all of the objects have the same acceleration, which will require the greatest force?

• Object 1

• Object 2

• Object 3

• Object 4

Tags

NGSS.MS-PS2-2

Which beach balls have potential energy but not kinetic energy?

• Beach balls 1 and 3

• Beach balls 2 and 4

• Beach balls 1, 2 and 4

• Beach balls 2, 3 and 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

When a battery is used to light a flashlight, like the one pictured below, what energy transformation occurs?

• Thermal ➡ Electrical

• Chemical ➡ Light

• Light ➡ Thermal

• Sound ➡ Light

Describe the motion in the graph...

• Constant speed

• stopping

• decreasing speed

• deceleration

Tags

NGSS.MS-PS3-1