Flash Card
What happens to the kinetic energy of an object when its velocity is doubled?
If a force of 20 N is applied to move an object a distance of 5 m, the work done would be:
Kinetic energy of a body (KE) = .................
If we increase the velocity of a car moving on a flat surface to 4 times its original speed, its potential energy............... .
The potential energy of your body is least when you are ................ .
A bullet fired from a gun possesses ................. energy.
Which of the following quantities is a scalar?
............... is the capacity to do work.
SI unit of work is ........... .
.............. is the commercial unit of power.
Choose the odd one out: Kinetic energy, Mechanical energy, Gravitational potential energy, Sound energy.
The total energy of an object falling freely towards the ground........... .
The work done on an object does not depend on............. .
Which of the following factors does not affect the gravitational potential energy of an object?
By stretching the rubber strings of a catapult, we store ......... energy in it.
Which of the following is not a conservative force?
1 kWh = ......... joules.
Work is the product of ............ .
When some unstable atoms break up, they release tremendous amount of ............ energy.
In which of the following cases is no work done?
The work done by a force is said to be ........... when the applied force does not produce displacement.
Which of the following is an example of potential energy?
The work done is zero if there is no............... .
1 hp =............ .
Potential energy of a body is given by (P.E) =............. .
