Physics Practice: Laws of Motion (Mock Test 2 - Intermediate)
1. When a hanging carpet is beaten with a stick, the dust particles fall off. This is an example of:
2. If a constant force acts on a body of mass $m$, the acceleration produced is:
3. A force of $10\text{ N}$ acts on a body of mass $2\text{ kg}$ for $3\text{ s}$. The change in momentum is:
4. The recoil of a gun is an application of:
5. Which of the following is the most significant factor determining a body's inertia?
6. Newton's second law gives a measure of:
7. A force $F$ produces an acceleration $a$ in a body. If the force is doubled, the acceleration becomes:
8. When we swim, we push the water ________ to move forward.
9. The weight of a body of mass $10\text{ kg}$ on Earth is ($g = 9.8\text{ m/s}^2$):
10. Momentum is defined as the ________ of motion contained in a body.
11. Force is a ________ quantity.
12. Action and reaction forces act on ________.
13. The SI unit of gravitational constant ($G$) is:
14. If a body is at rest on a table, the reaction force of the table acts:
15. A body of mass $5\text{ kg}$ is moving with a velocity of $10\text{ m/s}$. Its momentum is:
16. Non-contact force is ________.
17. Acceleration produced in a body is ________ to the force applied.
18. The unit of force 'kgf' is defined as the force with which Earth pulls a mass of ________.
19. Inertia of a body depends only on its ________.
20. Force needed to stop a moving body depends on its mass and ________.