A particle of mass 100g thrown vertically upwards with a speed of 5m/s.
If force and displacement of particle in direction force are doubled.Work would be
A body of mass 5 kg is placed at the origin, and can move only on the x-axis.
The work done by the force is
The work done in pulling up a block of wood weighing 2kN for lenth of 10 m on a smooth plane inclinded at an angle of 15Â° with ..
A cord is used to lower vertically a block mass M by a distance d with constant downward acceleration g/4. Work done by the cord o..
A man pushes a wall and fails to displace it.He does
A 50kg man with 20kg load on his head climbs up 20 steps of 0.25m height each
A force acts on a 30g particle in such a way that the position of the particle as a function of time is given by
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle,
Which of the following is a unit of energy
A man starts walking from a point on the surface of earth
The energy which an e acquires when accelerated through
A ball of mass m moves with speed v and strikes a wall having infinite mass
The kinetic energy acquired by a body of mass m in travelling some distance s
A particle moves from a point
Stopping distance of a moving vehicle is directly proportional to
The area of the acceleration-displacement curve of a body gives
A body of mass 10kg at rest is acted upon simultaneously by
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