Question

If the forces acting on an object are balanced, the object may change speed, change direction, or do both. true or false.

Answer 1

(F) When the forces acting on an object are balanced,

their effect on the object is the same as the effect of no forces at all.

Then the object continues moving in a straight line at a constant speed.

Answer 2

That's false. When the forces acting on an object are balanced,
their effect on the object is the same as the effect of no forces at all.
Then the object continues moving in a straight line at a constant speed.