Question 1
Open questionState Newton’s First Law of Motion with an example.
A
A: Motion changes without any force
B
B: Rest and motion continue until an external force acts ✓
C
C: Only valid for planets
D
D: Only applies in vacuum
Answer and explanation
Correct Answer: B — B: Rest and motion continue until an external force acts ✓
Law of Inertia: A body remains at rest or in uniform motion unless acted upon by an external force.