Advertisements
Advertisements
Question
A force of 15 N acts on a body of mass 2 kg. Calculate the acceleration produced.
Advertisements
Solution
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
RELATED QUESTIONS
Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?
What is the acceleration of free fall?
A stone is thrown vertically upward with an initial velocity of 40 m/s. Taking g = 10 m/s2, find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?
Which force is responsible for the moon revolving round the earth ?
State whether the following statement is true or false :
The acceleration due to gravity acting on a freely falling body is directly proportional to the mass of the body.
What do you understand by the term 'acceleration due to gravity of earth' ?
Choose one or more correct alternatives.
Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?
- The horizontal applied force
- gravitational force
- reaction force in vertical direction
- force of friction
A force acts for 0.1 s on a body of mass 2.0 kg initially at rest. The force is then withdrawn and the body moves with a velocity of 2 m s-1. Find the magnitude of the force.
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.
Right or wrong sentence.
Free fall of an object does not depend on the mass of the object.
