| 1 |
Number of factors on which torque depends : |
|
| 2 |
A body is said to be in __________ equilibrium if after a slight tilt return to its previous position: |
- A. Stable
- B. Unstable
- C. Neutral
- D. None
|
| 3 |
Centre of gravity of uniform square is: |
- A. Intersection of diagonals
- B. Point of intersection of medians
- C. At centre
- D. None of these
|
| 4 |
Unit of moment arm (L) is: |
- A. Meter
- B. Mole
- C. Newton
- D. Nm
|
| 5 |
The angle between rectangular components of a vector is |
- A. 0°
- B. 90°
- C. 180°
- D. 270°
|
| 6 |
Sin 45 is equal to: |
- A. Zero
- B. 0.5
- C. 0.707
- D. 1
|
| 7 |
Perpendicular / Hypotenuse is called : |
- A. Cos 𝜽
- B. Sin 𝜽
- C. Tan 𝜽
- D. Tan<sup>-1</sup> 𝜽
|
| 8 |
The value of sin θ at an angle of 60o is |
- A. 0.5
- B. 0
- C. 0.707
- D. 0.866
|
| 9 |
If force is 200 N and length of spanner is 0.15 then torque will be: |
- A. 30 Nm
- B. 15Nm
- C. 20 Nm
- D. 10 Nm
|
| 10 |
If the applied force is 'F' and its moment arm is 'r' then torque is defined as |
- A. τ = rF
- B. τ = r2F
- C. τ = r + F
- D. τ = 2rF
|
