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AP Physics 1 2.3 Newton’s Third Law

Practise AP Physics 1 2.3 questions by matching paired interaction forces and explaining tension or contact forces on the two objects.

Syllabus
Effective Fall 2025
Course
AP Physics 1: Algebra-Based

Exam points

  • identify the governing concept or relationship in the problem
  • justify the result with equations, diagrams or contextual evidence

Covered syllabus points

2.3.A—Describe the interaction of two objects using Newton’s third law and a representation of paired forces exerted…

2.3 Newton’s Third Law question 1

[Maximum number: 1]

Consider the situation in which your hand is pushing a book across a rough desktop with lots of friction. Of the many forces involved, consider only these two individual forces: the force on your hand from the book and the force the book is experiencing from your hand. While the book is accelerating from rest to its final velocity, which statement best compares the force experienced by your hand compared with that experienced by the book?

A

Force on book > force on hand

B

Force on hand > force on book

C

Force on hand = force on book

D

The relationship between these two forces depends on the frictional force.

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