object stable? frame on earth, what will be the 0.5m 0.25 3 ss on moon fa liquid can be determined Total: 0 e calculated. Figure 4.1 (a) What is meant by moment of force? Include its Sl unit? [2] (c) Calculate the moment of force if a force of 10N is applied at point 1 to open or close the door. mass of 35g When filled wit Moment of force=_ [2] (d) Explain why it is easier to open or close the door if the handle is fixed at point 1 than at point 2 or 3. aters sity of water to be [2] Total:[4] ettler Total : (4​