| 1 |
The formula of torque is: |
- A. L= F x E
- B. E = F x t
- C. t = F x L
- D. E = F x L
|
| 2 |
It base of a right angled triangle is 3 cm and its perpendicular is 3 cm.Then its hypotenuse will be |
- A. 2 cm
- B. 4 cm
- C. 6 cm
- D. 5 cm
|
| 3 |
A couple consists of which type of forces : |
- A. Like parallel
- B. Unlike parallel
- C. Not parallel
- D. Nil
|
| 4 |
Forces on doubled arm spanner are called. |
- A. Torque
- B. Couple
- C. Moment of force
- D. Momentum arm
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| 5 |
The turning effect of force is called: |
- A. Torque
- B. Parallel force
- C. Equilibrium
- D. Couple
|
| 6 |
The resultant vector of given vectors A and B is |
|
| 7 |
_____________ is centre from which its mass is equally distributed: |
- A. Cebtre of mass
- B. Centre of gravity
- C. All of above
- D. None
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| 8 |
The single force that has the same effect as the combined effect of all the force to be added is called a |
- A. Opposite force
- B. Single force
- C. Resultant force
- D. Resultant vector
|
| 9 |
Unit of Resultant force is: |
- A. Nm<sup>-2</sup>
- B. N.m
- C. Nm<sup>-1</sup>
- D. N
|
| 10 |
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
|