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Physics & Earth Science
MS-PS2-1

Use net force to explain changes in motion

Use force, mass, acceleration, friction, gravity, and net force in simple models.

Learn the skill

  1. 1Use force, mass, acceleration, friction, gravity, and net force in simple models.
  2. 2Connect balanced and unbalanced forces to changes in motion.

Cited instruction

Use the publisher's material for instruction, then return to PeerTutor for the checked practice written for this skill.

NYS Grades 3-8 Science Learning Standards · New York State Education Department

Practice preview

A skateboarder pushes backward on the ground with 17 N. What is the paired force?

Mass 18 kg, acceleration 5 m/s^2. What is net force?

A skateboarder pushes backward on the ground with 7 N. What is the paired force?

Open adaptive practice

Course mapping reviewed by Nikhil on 2026-08-26. Practice is authored for PeerTutor and does not reproduce linked providers' exercises.

Use net force to explain changes in motion practice · PeerTutor