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15
×
If Shashank, climbs the stairs in 20 s and does a work of 8000J. How much power did he spend?
Power = 400 W.
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5
×
Which one exerts a greater pressure?
Heels
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×
heart
Other team wins 25 points!
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fairy
Take points!
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15
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25
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rocket
Go to first place!
Okay!
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baam
Lose 10 points!
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15
×
Which position shows Least value of Kinetic Energy?
Position C
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10
×
Which position shows maximum Potential Energy?
Position B
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25
×
What will be the Potential energy if: h = 8m , m= 40kg ,g=10
Potential energy = 3200J
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boom
Lose 50 points!
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magnet
Take 15 points!
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fairy
Take points!
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25
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thief
Give points!
5
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5
×
State the SI unit of Pressure
pascals or newton/sq. Metre
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5
×
Which energy does the body possess?
Kinetic Energy
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15
×
How much will be the density in SI unit if the density of object is 8g/cc?
8000kg/cubic metre
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25
×
How much pressure will be exerted in by a brick of thrust 600 kgf is placed on its sides which measure 12 cm by 10cm.
P = F/A = 600/120 = 5kgf/sq.cm
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20
×
Is work done in the following case? Why?
No. As for Work to be done there should be displacement.
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5
×
State the SI unit of Thrust.
newtons
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lifesaver
Give 25 points!
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rocket
Go to first place!
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shark
Other team loses 15 points!
Okay!
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baam
Lose 15 points!
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banana
Go to last place!
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fairy
Take points!
5
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25
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 15 points!
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10
×
Which position shows maximum Kinetic Energy
Position A
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