Advertisements
Advertisements
Question
What is the usual value of the acceleration due to gravity of earth ?
Advertisements
Solution
The usual value of acceleration due to gravity on earth is 9.8m/s2.
APPEARS IN
RELATED QUESTIONS
What do you mean by acceleration due to gravity?
During a free fall, will heavier objects accelerate more than lighter ones ?
Explain why, if a stone held in our hand is released, it falls towards the earth.
A stone is thrown vertically upwards with initial velocity u reaches a height ‘h’ before coming down. Show that the time taken to go up is the same as the time taken to come down.
For freely falling object we can write the Newton’s second equation of motion as …..
A metal ball of mass 5 kg falls from a height of 490 m. How much time it will take to reach the ground? (g = 9.8 m/s2)
A force acts for 10 s on a stationary body of mass 100 kg, after which the force ceases to act. The body moves through a distance of 100 m in the next 5 s. Calculate : The acceleration produced by the force
Figure shows the velocity-time graph of a particle of mass 100 g moving in a straight line. Calculate the force acting on the particle.
(Hint : Acceleration = Slope of the v-t graph)
Write scientific reasons.
The value of gravitational acceleration (g) decreases as we go deep inside the earth.
The mass of planet ‘X’ is four times that of the earth, and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2 × 103 m/s. Find the escape velocity of a body from the planet ‘X’.
