GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is true about a rock moving in outer space?
A
It has a constant ACCELERATION
B
It has constant VELOCITY
C
It is moving horizontally
D
It is moving vertically
Explanation: 

Detailed explanation-1: -Correct answer: If an object is moving with constant velocity, then its acceleration must be zero.

Detailed explanation-2: -Things in space have inertia. That is, they travel in a straight line unless there is a force that makes them stop or change.

Detailed explanation-3: -Moving Light The speed of light is constant and does not depend on the speed of the light source.

Detailed explanation-4: -Reasoning: For an object to move at constant velocity (meaning zero acceleration) the net force must be equal to zero.

There is 1 question to complete.