Which of the following statements is true? Like charges attract and unlike charges repel each other. Gravitational forces only e
xist between large masses. On a level surface, normal force is greater than the weight of the object. Applied forces are those created by another object or person.
1.Density of the material building the raft must be lower than the water. <span>2. Material must not react with water. </span> <span>3.Material must have high strength. </span> <span>4.Raft must be wide in-order to avoid drawing in the river.</span>
