Physical Science Final Exam

After a spacecraft takes off, its distance traveled is measured and is represented in the graph to the left. What is the average speed of the spacecraft?

• 12 km/s

• 5 km/s

• 3 km/s

• 1 km/s

Tags

NGSS.MS-PS3-1

A student is a passenger in the front seat of a moving car. Which object is the BEST frame of reference for hte student to determine how fast the car is moving relative to the ground?

• A person sitting in the backseat of the car

• A truck traveling in the lane next to the car

• The driver sitting next to the student

• A signpost on the side of the road

Which graph to the right represents a car with a positive acceleration?

• A

• B

• C

• None of the above

Tags

NGSS.MS-PS3-1

The graph to the left represents the motion of an object. What is the average speed of the object from time=0s to time=5s?

• 0.8 m/s

• 1.2 m/s

• 5 m/s

• 6 m/s

Tags

NGSS.MS-PS3-1

The graph to the left shows the motion of a person riding a bicycle. Which time period shows the acceleration of the bicycle?

• 0-4s

• 4-8s

• 8-10s

• 10-16s

Tags

NGSS.MS-PS2-2

A 200kg load is suspended from a cable on a crane. The load is moved upward at a constant velocity 20m to the top of the building. What would be true of the force on the cable as it moved upward?

• The force on the cable decreased.

• The force on the cable increased.

• The force on the cable remained the same.

• The force on the cable depended upon the energy of the crane.

Tags

NGSS.MS-PS2-2

A student uses 2 identical balls to perform an investigation. The student throws ball A with a horizontal velocity from a height of 10m. At the same time, another student drops ball B from the same height without any horizontal velocity. Neglecting air resistance, which best describes the results?

• Ball A will hit the ground first.

• Ball B will hit the ground first.

• Both balls will hit the ground at the same time.

• Ball A will take twice as long to hit the ground.

Tags

NGSS.MS-PS2-4

Two equal forces act at the same time on the same stationary object but in opposite directions. Which statement describes the object's motion?

• It remains stationary.

• It moves at a constant speed.

• It accelerates.

• It decelerates.

Tags

NGSS.MS-PS2-2

The chart to the left represents information about 4 different carts and the force applied to each cart. Which cart will have the greatest amount of acceleration?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS2-2

A 100N force causes an object to accelerate at 2 m/s² . What is the mass of the object?

• 0.02 kg

• 50 kg

• 102 kg

• 200 kg

Tags

NGSS.MS-PS2-2