posted by JACOB on .
Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED
A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION
B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT
C. THAT THE NET FORCE ON THE OBJECT IS ZERO
D. NONE OF THE ABOVE
IF YOU DOUBLE THE FORCE APPLIED TO AN OBJECT, THE ACCEERATION
A. STAYS THE SAME
C. CUTS IN HALF
1. Newton’s 1 law states that if the net force (the vector sum of all forces acting on an object) is zero, then the velocity of the object is constant.
Ans. B (and C
2. Newton’s 2 law F =ma