43
Two forces whose resultant is 100N, are at right angle to each other. If one of them makes an angle 30o with the resultant, determine its magnitude.
- A. 8.66N
- B. 50.0N
- C. 57.7N
- D. 86.6N
44
A lorry travels 10km northwards, 4km eastwards, 6km southwards, 4km westwards to arrive at a point T. What is the total displacement?
- A. 6km south
- B. 4km north
- C. 6km north
- D. 4km east
45
Which of the following are the correct SI units of the quantities indicated? i.N(Force) II. N/m (Torque) iii. watt(Power) iv. kgms-2(Momentum)
- A. i and ii only
- B. i, ii and iii only
- C. i, ii, and iv only
- D. i and iii only