Advertisements
Advertisements
Question
State whether the object possess kinetic energy, potential energy, or both :
A man climbing a hill _____________.
Options
kinetic energy
potential energy
Both
Advertisements
Solution
A man climbing up a hill has both kinetic energy as well as potential energy.
APPEARS IN
RELATED QUESTIONS
Show that the sum of kinetic energy and potential energy (i.e., total mechanical energy) is always conserved in the case of a freely falling body under gravity (with air resistance neglected) from a height h by finding it when
- The body is at the top.
- the body has fallen a distance x.
- the body has reached the ground.
An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same :
Name the device which converts electrical energy into mechanical energy.
What kind of energy transformations take place at a coal-based thermal power station?
How much electrical energy in joules does a 100 watt lamp consume : in 1 minute?
Write the energy transformations which take place in an electric bulb (or electric lamp).
A ball falls to the ground as shown below :
What is the potential energy of ball at B?
Which one of the following is not the unit of energy?
An object is falling freely from a height x. After it has fallen a height `pi/2` , it will possess :
In the case of negative work, the angle between the force and displacement is
