Ability of an object to do work is calle...

Ability of an object to do work is called energy of that object.

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What is the kinetic energy of an object?

What is the kinetic energy of an object?

Knowledge Check

The kinetic energy of the object

A

depends only on its mass

B

depends only on its speed

C

depends on both its mass as well as its speed

D

depends neither on its mass nor on its speed

The kinetic energy of the object

A

depends only on its mass

B

depends only on its speed

C

depends on both its mass as well as its speed

D

depends neither on its mass nor on its speed

The mass of an object.

A

varies at different locations.

B

remains constant at any location.

C

can be measured using a spring balance.

D

is in the direction of gravitational force.

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An object of mas 12 kg is at a certain height above the ground. If the potential energy of the object is 480 J, find the height at which the object is with respect to the ground. Given g=10ms^(-2) .

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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE)

Ability of an object to do work is called energy of that object.
02:32
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The unit of work and energy is the same.
02:23
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The potential energy of an object is a relative concept.
02:26
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Power = Work xx Time taken to do the work.
01:49
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An force 10 N, then its kinetic energy would be zero at maximum height...
01:58
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1 unit electrical energy means 1000 joule electrical energy.
02:48
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The time rate of doing work is called power. 1 megawatt (MW) power mea...
01:20
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1 megawatt (MW) power means 10^(6) watt (W) power.
00:45
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Both power and energy are scalar quantities.
02:22
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If work is done by an object, its energy decreases.
Text Solution
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The difference between potential energy and kinetic energy is called m...
01:06
|
Work is the product of power and time.
00:47
|
Ability of an object to do work is called energy of that object.
02:32
|
The unit of work and energy is the same.
02:23
|
The potential energy of an object is a relative concept.
02:26
|
Power = Work xx Time taken to do the work.
01:49
|
An force 10 N, then its kinetic energy would be zero at maximum height...
01:58
|
1 unit electrical energy means 1000 joule electrical energy.
02:48
|
The time rate of doing work is called power. 1 megawatt (MW) power mea...
01:20
|
1 megawatt (MW) power means 10^(6) watt (W) power.
00:45
|