P1 - Balance is when both sides are the same. lt is when something or someone has an even amount of weight to keep it upright and steady. Try to stand on one foot, you will notice that your arms go out to stop you from falling over. That is balance!

P2 - Motion is when someone or something moves. Forces make movement happen, movement needs force to happen. If you apply more force the motion accelerates. Jump as high as you can into the air, your legs are the force causing your body to move. That is motion!

P3 - Friction is the Force that slo down or stops motion of an  object in motion comes in contact with an object that is not moving then motion stops Rub your hands to get there and you will feel thera and of friction try it now.