Physics(SS 2) 2nd term Mid-term test 25/26

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Welcome to your Physics(SS 2) 2nd term Mid-term test 25/26

SECTION A: OBJECTIVE QUESTIONS (10marks)

1. Momentum is defined as the product of ______.

2. The SI unit of momentum is ______.

3. A simple machine helps to ______.

4. Impulse is equal to ______.

5. The unit of impulse is ______.

6. When no external force acts on a system, total linear momentum is ______.

7. A rocket moves forward due to ______.

8. Which of the following affects momentum?

9. The pivot point of a lever is called ______.

10. Impulse produces a change in ______.

SECTION B: SUBJECTIVE (4marks)

1. In an isolated system, the total momentum before collision equals ______.

2. The product of force and perpendicular distance from pivot is called ______.

3. The relationship between force and mass is _________.

4. The mass of an object whose weight is 48N is ________.

SECTION C: THEORY QUESTIONS (6marks)

1a. State the principle of moments.

1b. State the principle of conservation of linear momentum.

2. Define simple machines. Explain mechanical advantage, velocity ratio, and efficiency with formulae.

3. A body of mass 2 kg moving at 5 m/s collides with another body of mass 3 kg at rest. Calculate the final velocity if they move together after collision.

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