ShowPer Page
A body of weight 1 N has a kinetic energy of 1 J when its speed is:
NETNUST Entry TestPhysicsWork and Energy
If velocity of a moving body is doubled, then:
NETNUST Entry TestPhysicsWork and Energy
Energy stored in the spring of a watch is called:
NETNUST Entry TestPhysicsWork and Energy
The sum of K.E and P.E of a falling body is:
NETNUST Entry TestPhysicsWork and Energy
Mechanical energy can be converted into:
NETNUST Entry TestPhysicsWork and Energy
Work is product of:
NETNUST Entry TestPhysicsWork and Energy
The work done on a body will be zero if:
NETNUST Entry TestPhysicsWork and Energy
If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:
NETNUST Entry TestPhysicsWork and Energy
When a wall is pushed by a person very strongly, he has done:
NETNUST Entry TestPhysicsWork and Energy
The work done by a force keeping an object in circular motion with constant speed is:
NETNUST Entry TestPhysicsWork and Energy
Which force is not a conservative force?
NETNUST Entry TestPhysicsWork and Energy
A labourer carrying a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:
NETNUST Entry TestPhysicsWork and Energy
A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against friction is:
NETNUST Entry TestPhysicsWork and Energy
When a body moves against the force of friction on a horizontal plane, the work done by the body is:
NETNUST Entry TestPhysicsWork and Energy
If the force applied is parallel to the direction of motion, then work done is:
NETNUST Entry TestPhysicsWork and Energy
A 2 kg block is held 1 m above the floor for 50 sec. The work done is:
NETNUST Entry TestPhysicsWork and Energy
Work done in lowering the bucket into the well is:
NETNUST Entry TestPhysicsWork and Energy
The angle between centripetal force and displacement of the body moving in a circle is:
NETNUST Entry TestPhysicsWork and Energy
Tick the conservative force:
NETNUST Entry TestPhysicsWork and Energy
A field in which the work done in moving a body along closed path is zero is called:
NETNUST Entry TestPhysicsWork and Energy
When a force of 0.5N displaces a body through a distance of 2m in the direction of force, the work done is:
NETNUST Entry TestPhysicsWork and Energy
The work done in moving a body between two points in a conservative field is independent of the:
NETNUST Entry TestPhysicsWork and Energy
Which of the following types of force can do no work on the particle on which it acts:
NETNUST Entry TestPhysicsWork and Energy