Sample Test Item Preview

General Information
Related Benchmark: SC.5.P.13.2
Reporting Category: Physical Science
Type: MC: Multiple Choice
Difficulty: N/A
Question:
Stephanie started pushing a bookcase across the room, as shown in picture 1. Then, she removed the books and continued pushing with the same force and direction, as shown in picture 2.

how does removing the books affect the motion of the bookcase?
Answer Options:
A. The mass is decreased, making the bookcase move faster.
B. The gravity is increased, making the bookcase move slower.
C. The friction is increased, making the bookcase move slower.
D. The mechanical energy is decreased, making the bookcase move faster.
Answer Key:
A