A. 1st law of motion
B. 2nd law of motion
C. Law of conservation of momentum
D. law of conservation of energy
Correct Answer: Law of conservation of momentum ✔
Last Updated: February 11, 2021
Related MCQs
- The range of the projectile at 30 deg and 60 deg are__________?
- The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________?
- The trajectory (or path) of a projectile is__________?
- The distance covered by a body in time t starting from rest is__________?
- When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are__________?
- The thrust on the rocket in the absence of gravitational force of attraction is__________?
- Which of the following is not an example of projectile motion ?
- The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
- When collision between the bodies in a system is inelastic in nature then for system __________?
- During long jump, athlete runs before taking the jump. By doing so he__________?
- Motorcycle safety helmet extends the time of collision hence decreasing the__________?
- When a body moves in a straight line then its displacement coincides with__________?
- Momentum depends upon__________?
- 2nd law of motion gives the definition of__________?
- Newtons laws do not hold good for particles__________?
- Which law of motion is also called law of inertia ?
- Slope of velocity time graph is__________?
- When velocity time graph is a straight line parallel to time axis then__________?
- A body is moving with uniform velocity. Its__________?
- Why Ballistic missile fails in some circumstances of precision ?
- Time rate of change of momentum is equal to__________?
- At which angle the range of the projectile is maximum__________?
- Flight of a rocket in the space is an example of__________?
- Distance covered by a freely falling body in 2 seconds will be__________?
- What is the angle of projection for which the range and maximum height become equal ?
- Which shows the correct relation between time of flight T and maximum height H ?
- What is the shape of velocity, time graph for constant acceleration ?
- When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________?
- The collision between two bodies be elastic if bodies are__________?
- Which of the following pair has same direction always ?
- The dimension of force is__________?
- 3rd law of motion explains__________?
- 1st law of motion gives the definition of __________?
- Inertia of an object is quantitative measure of its__________?
- Instantaneous and average velocities become equal when body__________?
- Area under velocity time graph represent__________?
- A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is __________?
- When body is in motion, __________ always changes?