A body of mass 2kg moving on a horizonta...

A body of mass `2kg` moving on a horizontal surface with an initial velocity of `4 ms^(-1)` comes to rest after `2` second. If one wants to keep this body moving on the same surface with a velocity of `4 ms^(-1)` the force required is

8 N

4 N

Zero

2 N

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NEWTONS LAWS OF MOTION
ERRORLESS |Exercise Third Law of Motion|24 Videos
NEWTONS LAWS OF MOTION
ERRORLESS |Exercise Conservation of Linear Momentum and Impulse|27 Videos
NEWTONS LAWS OF MOTION
ERRORLESS |Exercise Self Evaluation Test|16 Videos
MOTION IN TWO DIMENSION
ERRORLESS |Exercise Exercise|319 Videos
ROTATIONAL MOTION
ERRORLESS |Exercise Practice Problems (Problems based on motion of connected mass)|10 Videos

Similar Questions

Explore conceptually related problems

A body of mass 4 kg moving on a horizontal surface with an initial velocity of 6ms^(-1) comes to rest after 3 seconds. If one wants to keep the body moving on the same surface with the velocity of 6ms^(-1) the force required is

A body of mass 2kg moving on a horizantal surface with an initial velocity of comes to rest after 2 second. If one wants to keep this body moving on the same surface with a velocity of 4 ms^(-1) the force required is

A body of mass 1 kg moving on a horizontal surface with an initial velocity of 6m/s comes to rest after 3 seconds. If one wants to keep the body moving on the same surface with the same velocity of 6m/s, then the force required is

An object of mass 1 kg moving on a horizontal surface with initial velocity 8 m/s comes to rest after 10 s. If one wants to keep the object moving on the same surface with velocity 8 m/s the force required is

An object moving with a velocity of 50 ms^(-1) comes to rest after 20 s. What is its initial velocity ?

A body is moving along a rough horizontal surface with an initial velocity 6m/s m If the body comes to rest after travelling 9 m , then the coefficient of sliding friction will be

ERRORLESS -NEWTONS LAWS OF MOTION-Second Law of Motion

An object will continue moving uniformly until
Text Solution
|
A diwali rocket is ejecting 0.05kg of gases per second at a velocity o...
Text Solution
|
A body of mass 2kg moving on a horizontal surface with an initial velo...
Text Solution
|
A body of mass 2 kg is hung on a spring balance mounted vertically in ...
Text Solution
|
In the above problem, if the lift moves up with a constant velocity of...
Text Solution
|
In the above problem if the lift moves up with an acceleration equal t...
Text Solution
|
A coin is dropped in a lift. It takes time t(1) to reach the floor whe...
Text Solution
|
If the tension in the cable of 1000 kg elevator is 1000 kg weight, the...
Text Solution
|
A man weighing 80 kg is standing on a trolley weighting 320 kg. The tr...
Text Solution
|
In doubling the mass and acceleration of the mass, the force acting on...
Text Solution
|
A force of 5 N acts on a body of weight 9.8 N . What is the accelerat...
Text Solution
|
A body of mass 40 gm is moving with a constant velocity of 2cm//sec on...
Text Solution
|
When 1 N force acts on 1 kg body that is able to move freely, the body...
Text Solution
|
A body of mass 10kg is moving with a constant velocity of 10m//s. When...
Text Solution
|
In the above question, the force acting on the object is
Text Solution
|
In the above question, the impulse acting on the object is
Text Solution
|
A machine gun is mounted on a 2000kg car on a harizontal frictionless ...
Text Solution
|
In the above question, the acceleration of the car will be
Text Solution
|
A person is standing in an elevator. In which situation he finds his w...
Text Solution
|
A particle of mass 0.3 kg subject to a force F=-kx with k=15N//m. What...
Text Solution
|