SS3 Physics 1st Term

1. Which of the following type of motion does a body undergo when acted upon by a couple? 2005, Q9

2. The friction which exists between two layers of a liquid in relative motion is called —2005, Q4

3. Which of the following statements about a progressive mechanical wave is correct? 2005, Q26

4. Which of the following quantities has the same unit as energy? 2005, Q16

5. A body of mass 5 kg moving with a velocity of 10 ms^-1 collides with a stationary body of mass 6 kg. If the two bodies stick together and move in the same direction after their collision, calculate their common velocity. 2005, Q14

6. A particle accelerates uniformly from rest at 6.0 ms^-2 for 8 s and then decelerates uniformly to rest in the next 5 s. Determine the magnitude of the deceleration. 2015, Q11

7. A body of mass 25 kg, moving at 3 ms^-1 on a rough horizontal floor is brought to rest after sliding a distance of 2.50 m on the floor. Calculate the coefficient of sliding friction. [g = 10 ms^-2] 2005, Q5

8. The energy required to change a solid to liquid at constant temperature is called —2005, Q22

9. The frequency of a swinging pendulum is the — 2005, Q12

10. An electric motor is a machine that converts —2005, Q43