First law of dynamics

Concept — A body keeps its state of motion in the absence of net forces.

Present in chapters

02

Linked atoms

7 linked atoms.

02 Forces and Newton’s laws

• Seat belt
• Car braking and the seat belt
• First law (principle of inertia)
• Problem — The passenger and the ball on the train
• Problem — True or false on forces and motion
• Pulling the tablecloth
• True or false on Newton’s laws