| 1 |
10 N and 20 N are acting on a body of mass 2 kg the minimum acceleration will be. |
- A. 10 ms-2
- B. 20 ms-2
- C. 60 ms-2
- D. 5 ms-2
|
| 2 |
The acceleration of a projectile along x axis is. |
- A. Zero
- B. Increase
- C. Decrease
- D. Equal to 'g'
|
| 3 |
The mass of an object is quantitative measure 0 its |
- A. Momentum
- B. Acceleration
- C. Inertia
- D. Energy
|
| 4 |
The slope of velocity time graph shows |
- A. Total distance covered
- B. Average acceleration
- C. Instantaneous acceleration
- D. Torque
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| 5 |
When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes. |
- A. Small
- B. Zero
- C. Maximum
- D. Vi cos
|
| 6 |
The equations of motion hold good for |
- A. Variable acceleration
- B. Uniform acceleration
- C. Centripetal acceleration
- D. All of these
|
| 7 |
Horizontal range is maximum when the angle of projectile is. |
- A. 0 o
- B. 30 o
- C. 45 o
- D. 60 o
|
| 8 |
When the body moves with constant acceleration the velocity time graph is |
- A. Parabola
- B. Hyperbola
- C. Straight line
- D. Curve
|
| 9 |
For a rocket , the change in momentum per second of the ejecting gases is equal. |
- A. Acceleration of the rocket
- B. Momentum of rocket
- C. Velocity of rocket
- D. Thrust acting on rocket
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| 10 |
The velocity of a projectile is maximum |
- A. At the highest point
- B. At point of launching and just before striking the ground
- C. At half of the height
- D. After striking the ground
|