Advertisements
Advertisements
Question
Explain why:
A moon rocket needs to reach a certain velocity.
Advertisements
Solution
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
RELATED QUESTIONS
State two important characteristics of mass.
What do you understand by the term weight?
Why is gold not weighed by a spring balance?
A man weigh 800 N at the equator. How does the weight of man change at the following place?
100 km up in space
A man weigh 800 N at the equator. How does the weight of man change at the following place?
10 km down in a mine
A truck rolls down a hill with constant acceleration after starting from rest. It travels a distance of 100 m in 10 s. find its acceleration. Find the force acting on it, if its mass is 5 metric tons. (tonne)
The value of G is extremely____________.
Does the force of gravitation between two objects depend on the medium between them?
In the below figure, a block of weight 20 N is hanging from a rigid support by a string. Find:
The force exerted by block on the string.
In the below figure, a block of weight 20 N is hanging from a rigid support by a string. Find:
The force exerted by string on the block.
