Physics Practice: Force and Pressure (Mock Test 5 - Comprehensive Mastery)
1. Force is a vector quantity because it has both ________ and ________.
2. The unit of pressure 'Bar' is equal to how many Pascals?
3. A couple consists of two forces that are equal in magnitude, ________ in direction, and act along ________ lines.
4. Atmospheric pressure ________ as we go higher up from the surface of the earth.
5. Which of the following is a non-contact force?
6. The turning effect of a force depends on the magnitude of the force and the ________ distance of the force from the pivot.
7. A pressure of $10\ \text{Pa}$ acts on an area of $5\ \text{m}^2$. What is the total thrust acting on the area?
8. The pressure at a certain depth in a liquid is $P$. If the liquid is replaced by another liquid of double the density, the pressure at the same depth will be:
9. To increase the pressure, the area of contact should be ________.
10. Standard atmospheric pressure is taken as ________ of Mercury column.
11. A boy opens a heavy gate by applying force at the edge. This is an application of ________.
12. Liquid pressure at a point depends on ________.
13. $1\ \text{kgf}$ is approximately equal to ________.
14. When a force is applied on a body, it can change its ________.
15. Why is a manometer used?
16. The gravitational force between two bodies is ________.
17. $1\ \text{N/m}^2$ is also called ________.
18. If you double the force and double the area, the pressure will ________.
19. Which of the following works on the principle of liquid pressure?
20. The force of friction ________ the relative motion between two surfaces.