Action and reaction – True or false

The video tutorial explains the concept of unbalanced and balanced forces. Unbalanced forces can cause an object to change its speed, either speeding up or slowing down. In contrast, when an object is moving at a constant speed or is stationary, the forces acting on it are balanced.

Describe the conditions under which an object moves at a constant speed.

What does it mean for forces acting on an object to be balanced?