Advertisements
Advertisements
प्रश्न
A force of 15 N acts on a body of mass 2 kg. Calculate the acceleration produced.
Advertisements
उत्तर
Force, F = 15 N
Mass, m = 2kg
Acceleration, a = F/m [ From Newton's second law]
Or, a = (15/2) ms-2
Or, a = 7.5 ms-2
APPEARS IN
संबंधित प्रश्न
When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.
What force is responsible for the earth revolving round the sun ?
Explain what is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
What is the usual value of the acceleration due to gravity of 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.
An object thrown vertically upwards reaches a height of 500 m. What was its initial velocity? How long will the object take to come back to the earth? Assume g = 10 m/s2
What will be the weight of a person on earth, who weighs 9N on the moon?
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)
A body falls freely under gravity from rest and reaches the ground in time t. Write the expression for the height fallen by the body.
An object falling freely from rest reaches ground in 2 s. If acceleration due to gravity is 9.8 m s-2, then the velocity of object on reaching the ground will be
