FORCES+CAUSE+TURNING

IGCSE PHYSICS > FORCES AND MOTION > FORCES, MOVEMENT AND SHAPE

 * ~ 1 FORCES ||~ 2 ELECTRICITY ||~ 3 WAVES ||~ 4 ENERGY ||~ 5 SLG ||~ 6 MAGNETISM ||~ 7 RADIOACTIVITY ||

Definition Types Vectors || FORCES CAUSE MOVEMENT Friction F=ma Terminal velocity || FORCES CHANGE MOMENTUM Momentum Car safety Newton's 3rd law || FORCES CAUSE TURNING Moments Centre of Gravity Beam on trestles || FORCES CHANGE SHAPES Stretching ||
 * JUST FORCES

FORCES CAUSE TURNING
1.23 recall and use the relationship between the moment of a force and its distance from the pivot: 1.24 recall that the weight of a body acts through its centre of gravity 1.25 recall and use the principle of moments for a simple system of parallel forces acting in one plane INVESTIGATION OF THE FORCES NEEDED TO BALANCE A SEESAW link to class practical instructions

1.26 understand that the upward forces on a light beam, supported at its ends, vary with the position of a heavy object placed on the beam ACTIVITY: Use the principle of moments to calculate the forces P and Q at the trestles. (They add up to 100N). PRACTICE QUESTIONS