| 1 |
Tan 90<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°=</span> |
- A. Infinity
- B. 1
- C. 0
- D. 0.866
|
| 2 |
The centre of gravity of uniform triangle is: |
- A. Point of intersection of medians
- B. On its vertex
- C. On middle point of its axis
- D. Point of intersection of diagonal
|
| 3 |
It is useful to know the location of center of gravity of a body in problem dealing with |
- A. Motion
- B. Equilibrium
- C. Charge
- D. Velocity
|
| 4 |
Unit of Resultant force is: |
- A. Nm<sup>-2</sup>
- B. N.m
- C. Nm<sup>-1</sup>
- D. N
|
| 5 |
A force of 10 N is making and angle of 30<sup>o</sup>with the horizontal. Its horizontal component will bw: |
- A. 4 N
- B. 5 N
- C. 7 N
- D. 8.7 N
|
| 6 |
Anticlockwise torque is taken: |
- A. Negative
- B. Neutral
- C. Positive
- D. Nil
|
| 7 |
Racing cars are made stable by : |
- A. Increasing their speed
- B. Decrease their mass
- C. Lowering their center of gravity
- D. Decreasing their width
|
| 8 |
A body is in equilibrium when its: |
- A. Acceleration in uniform
- B. speed in uniform
- C. Speed and Acceleration are uniform
- D. Acceleration is Zero.
|
| 9 |
Two forces of 2N and 4N are acting in opposite directions, Their resultant force will be |
- A. 2 N
- B. 4 N
- C. 6 N
- D. 8 N
|
| 10 |
F<sub>x</sub>= 4 N and F<sub>y</sub>=3N what is F? |
- A. 5N
- B. 1.5 N
- C. 16 N
- D. 9 N
|
