According to Newton's second law of motion, if a rigid body of unchanging mass is observed accelerating, it means that a force is being applied to the mass. Therefore, the correct response is:
A force is being applied to the mass.
What must be happening, according to Newton's second law of motion, if a rigid body of unchanging mass is observed accelerating?
Responses
A force was once applied but is now not being applied.
A force was once applied but is now not being applied.
The mass must be changing.
The mass must be changing.
No force was or is being applied to the mass.
No force was or is being applied to the mass.
A force is being applied to the mass.
1 answer