Advertisements
Advertisements
प्रश्न
State if the following situation is possible:
A body moving horizontally with an acceleration in vertical direction.
Advertisements
उत्तर
No a body with an acceleration in vertical direction cannot move horizontally.
APPEARS IN
संबंधित प्रश्न
An object of mass 16 kg is moving with an acceleration of 3 m/s2. Calculate the applied force. If the same force is applied to an object of mass 24 kg, how much will be the acceleration?
Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.
A train moving with a velocity of 20 ms−1 is brought to rest by applying brakes in 5 s. Calculate the retardation.
A car travels with uniform velocity of 25 m s-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s. Find:
- The distance which the car travels before the brakes are applied,
- Retardation and
- The distance travelled by car after applying the brakes.
Give an example of an accelerated body, moving with a uniform speed.
From the diagram given below, calculate deceleration.
A motorbike, initially at rest, picks up a velocity of 72 kmh−1 over a distance of 40 m. Calculate
- acceleration
- time in which it picks up above velocity.
From the given v-t graph it can be inferred that an object is
What do you mean by constant acceleration?
If the velocity of a body does not change, then its acceleration is ______.
