1 |
PQ & RS are 2 parallel forces moving in same direction than they are called ............... forces. |
- A. Like parallel
- B. Unlike
- C. Parallel
- D. Nil
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2 |
If an object is moving with constant speed then its distance time graph will be a straight line. |
- A. Along time -axis
- B. Along distance -axis
- C. Inclined to time - axis
- D. Parallel to time-axis
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3 |
Archimedes is a scientist: |
- A. Greek
- B. Italian
- C. French
- D. English
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4 |
The right angle triangle length of bas is 4 cm and its hypotenuse is 5 cm, then length of perpendicular is: |
- A. 1 cm
- B. 3 cm
- C. 9 cm
- D. 20 cm
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5 |
The static fraction between wood and lather is _______________ |
- A. 0.6
- B. 0.7
- C. 0.9
- D. 0.8
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6 |
The centripetal acceleration is always along. |
- A. Normal force
- B. Centripetal forces
- C. Mass
- D. Horizental forces
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7 |
The weight of a body of mass 20 kg is: |
- A. 2 N
- B. 10 N
- C. 20 N
- D. 200 N
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8 |
If velocity of a body becomes half that its energy K.E will be decrease to: |
- A. Zero
- B. Half
- C. Double
- D. 4 Times
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9 |
If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be: |
- A. Maximum
- B. Minimum
- C. Zero
- D. None of these
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10 |
1 nm have meters. |
- A. 10<sup>-3</sup> m
- B. 10<sup>-6</sup> m
- C. 10<sup>-9</sup> m
- D. 10<sup>-10</sup>m
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