Mass & Weight (Cambridge (CIE) O Level Physics): Exam Questions

Fig. 2.1 shows a raft floating on water.

A force of 20 000 N acts on the raft in the direction of the arrow shown in Fig. 2.1. 

(i) State the name given to the force shown in Fig. 2.1.

[1]

(ii) Calculate the mass of the raft.    

mass = ......................................................kg [3]

A sail is added to the raft, as shown in Fig. 2.2.

Fig. 2.2 shows the horizontal forces acting on the raft at one moment.

Calculate the resultant horizontal force acting on the raft and state the direction of this force.

force = ............................................................ N

  direction = ...........................................................