An electric lift with a maximum load of 2000 kg is moving up with the constant speed of 1.5 MS ^-1 the frictional force opposite in the motion is 3000 in the minimum power delivered by the motor lift in Watts is

A particle is released from height us from the surface of the earth at a certain height it's kinetic energy is three times its potential energy the height from the surface of earth and the speed of the particle at that respectively

Waterfalls from my height of a 60m at the rate of 50 kg by yes to operate a turbine the losses due to fictional force or 10% of the input energy how much power is generator by the turbine

The energy required to break 1 pound in DNA is 10 ^-20 J the value in Ev is nearly

Force f equal to 20 + 10y acts on a particle in Y direction where f is in Newton and Y in M work done by this 4C to move the particle from y=o to y = 1 m is

A mass M is attached to your thin wire and whireled invertical circle the wire is most likely to break when

Body of mass 4 m moving with speed you colleagues with another body be of mass 2 m at rest the collision is head on head elastic in nature after the collision of the fraction of energy lost by the colliding bodyA

A particle mass 5 m rest suddenly bridge on its own into three fragment two fragments of mass along usually perpendicular direction with speed V the energy released during the process

If potential energy is given by U=a/r²- b/r then find out maximum force

The energy processed by a body by the virtue of it's motion is called

The energy processed by a body by the virtue of it's motion is called

The energy possessed by a body by the which of its position is called

Energy is

The unit of energy has been named after

Power is

In which category do potential and kinetic energy fall

How many ergs are there in 1 joul?

Energy involved in creating work

Women dresses against your wall with your force of 10 in for 10 minutes the work she does

To raise ya 200 kg steel beam to a height of 10 m on a bridge being built the request work of

An object moving at constant speed on your frictionless floor has no work done because

Which of the following situations has no work done

Which of the following units is the unit for measuring work done

A box of mass 2 kgs being recently on smooth surface by a 10 n Force for 6:00 a.m. what is work done on the box by the weight of the box

Box of mass 2 kg is be in push to horizontally by 10 n Force for 60 CM along the floor during the first 20 CM the friction between the box and the floor is 4 n and the friction for the rest of the distance is nekligible what is the work done on the box by the 10 n force

When an object is at rest there is no work done by the object because

Box is being push should horizontally on a smooth surface by a 10 n Force for 6 m what is the work done on the box by the 10 n force

Abox of mass 2 kg is being we should Hurricane Tally honour rough surface by a 10 n Force for 6 m given that the friction between the box and the surface is 4 and what is the work done by the net force on the box

A box of mass 2 kg is moving at a constant speed of 3 MS ^-1what is the kinetic energy of the box

a box of mass 2 kg increases speed from 3M ^-1 to

MS^-1what is the increase in kinetic energy

A time depend force f equal to 60 acts on the particle of mass 1 Kg if the particle Stars from rest the work done by the force during the first one second will be

A time dependent force f=6t acts on a particle of mass 1kg if the particle starts from rest the work done by the force during the first 1 sec will be

A Particle is acted upon by the force f which varies with position excess shown in figure if the particle at X = 0 has kinetic energy of 25g then the kinetic energy of the particle at X =16 m is

50 kg mouse have yahi of 4.9 kg relative to the ground the height of the most about ground is

A body of mass M is moved from here point at a depth from ground level to a point at a height h from ground level the change in potential energy in doing so is

When your gas filled balloon Rises upwards both its potential energy and kinetic energy increase in doing so

The work done on your body by an external force contributes to your change in its

Rod of mass M and length L is made to stand at an angle of 60 degree with the vertical potential energy after rod in this position is

Rode of mass 10 kg and length 4 m reached on horizontal floor with a fixed so as to rotate in vertical plan about perpendicular axis passing through yeah If the work done on the road is 100 J the height to which the end be raised vertically above the floor is

Body of mass 5 kg is thrown vertically up with kinetic energy of 490 the height at which the kennotic energy of the body becomes of the original values is

Ball dropped from your height of 2m rebounds to your height of 1.5 m after heating the ground then the percentage of energy lost is

Spring store one day of energy for compression of 1 M then additional work to be done to compressive further by 1 mm is

There are three paths leading to top of the hill as shown assuming that the friction on the ground is negligible which of the following statements is true?

A box of 2kg mass moves up a ramp from point a to point b at a constant speed