Which statement is correct? 1. The unit of force according to the International System of Units is the Newton. 2. The force is a scalar quantity. Therefore, combining forces Many forces must include both magnitude and direction. 3. Effects arising from the force. Make objects change their size and shape. including changes in direction and speed 4. If the object is at rest The sum of the forces is not zero. The two forces are balanced. Item 1. is correct and item 2. 3. 4. is wrong.
Item 2. 3. Right, item 1, wrong and item 4. cannot be concluded.
Item 3. is right and item 1. 2. 4. is wrong.
Item 1. 3. Right and Item 2. 4. Wrong.