Advertisements
Advertisements
प्रश्न
Explain why:
A moon rocket needs to reach a certain velocity.
उत्तर
A moon rocket needs to reach a certain velocity because during its motion earth attracts the rocket towards it by its gravitational force.
APPEARS IN
संबंधित प्रश्न
The weight of a body is 2.0 N. What is the mass of the body? (g = 10 m s-2)
What is the (a) force of gravity and (b) weight of a block of mass 10.5 kg ? Take g = 10 ms-2 .
A bullet of mass 30 g, and moving with a velocity x hits a wooden target with a force of 187.5 N. If the bullet penetrates 80 cm, find the value of x
How is acceleration due to gravity-related to
- mass of a planet
- distance of body from the center of the earth?
State the unit of weight in CGS system.
A man weigh 800 N at the equator. How does the weight of man change at the following place?
100 km up in space
How is weight affected in the following case, when initially the body is weighed in Delhi with a spring balance?
Body is taken to Ceylon.
Is force a scalar or a vector quantity?
Where do you weigh more: at the poles or at equator?
