Qstnid -A-1- Write True Or False For Each Statement (A) A Coolie Does No Work Against The Force Of Gravity While Carrying A Luggage On A Road. (B) The Energy Stored In Water Of A Dam Is The Kinetic Energy. (C) The Energy Of A Flying Kite Is Kinetic Energy. (D) Work Done By A Boy Depends On The Time In Which He Does Work. (E) Power Spent By A Body Depends On The Time For Which It Does Work. (A) A Coolie Does No Work Against The Force Of Gravity While Carrying A Luggage On A Road. (B) The Energy Stored In Water Of A Dam Is The Kinetic Energy. (C) The Energy Of A Flying Kite Is Kinetic Energy. (D) Work Done By A Boy Depends On The Time In Which He Does Work. (E) Power Spent By A Body Depends On The Time For Which It Does Work. - 04: Energy Class 8 Physics - Icse-viii-physics

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ICSE-VIII-Physics

04: Energy Class 8 Physics

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#1
Write true or false for each statement (a) A coolie does no work against the force of gravity while carrying a luggage on a road.
(b) The energy stored in water of a dam is the kinetic energy.
(c) The energy of a flying kite is kinetic energy.
(d) Work done by a boy depends on the time in which he does work.
(e) Power spent by a body depends on the time for which it does work.
(a) A coolie does no work against the force of gravity while carrying a luggage on a road.
(b) The energy stored in water of a dam is the kinetic energy.
(c) The energy of a flying kite is kinetic energy.
(d) Work done by a boy depends on the time in which he does work.
(e) Power spent by a body depends on the time for which it does work.

Ans : (a)
True (b)
False
The energy stored in water of a dam is the potential energy. (c)
True. (d)
False. (e)
True. (a)
True (b)
False
The energy stored in water of a dam is the potential energy. (c)
True. (d)
False. (e)
True.

#1-a
A coolie does no work against the force of gravity while carrying a luggage on a road.

Ans :
True

#1-b
The energy stored in water of a dam is the kinetic energy.

Ans :
False
The energy stored in water of a dam is the potential energy.

#1-c
The energy of a flying kite is kinetic energy.

Ans :
True.

#1-d
Work done by a boy depends on the time in which he does work.

Ans :
False.

#1-e
Power spent by a body depends on the time for which it does work.

Ans :
True.