Preliminary Science 7 Review

  It  is an invisible strength that causes objects to move , stop , change direction , or change shape.

Common examples of non-contact forces

• Gravity

• Magnetism

• Power

• Electrostatic forces

Unit symbol for force

  The force that act on an object in opposite directions and are equal in size, causing no change in the object's motion.

  Occcurs when the net force on an object is not zero, resulting in a change in the object's motion.

    is a force that opposes the motion of an object, and it can be either beneficial or a hindrance, depending on the situation.

It is a graphical representation used to visualize the forces acting on an object, helping to determine whether these forces are balanced or unbalanced.

A bahay kubo remains stationary during a mild breeze.

• Balanced

• Unbalanced

A basketball is caught by a player, stopping its motion.

• Balanced

• Unbalanced

A book sits on a table without moving.

• Balanced

• Unbalanced