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