A body is moving on a rough horizontal surface with uniform velocity
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A body is moving on a rough horizontal surface with uniform velocity. Which of the following state is in accordance with the Newton's first law of motion?
No forces are acting on the body
The net force on the body is zero
The kinetic energy of the body is continuously decreasing
The kinetic energy of the body is continuously increasing
(1) No forces are acting on the body
(2) The net force on the body is zero
(3) The kinetic energy of the body is continuously decreasing
(4) The kinetic energy of the body is continuously increasing