On the moon my weight changes as there is less gravity
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monster
Reset all scores!
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shark
Other team loses 20 points!
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shark
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banana
Go to last place!
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15
what does pressure in a liquid increase with?
depth and density
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baam
Lose 25 points!
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fairy
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rocket
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baam
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15
why should food never be heated in a sealed can?
pressure of gas is increased as the gas molecules move about quickly in different directions -the heat gives the molecules more kinetic energy -there are more
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15
Do liquids and gases also exert pressure?
Yes
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15
Why do astronauts float in space?
no gravity
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banana
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rocket
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fairy
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25
banana
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15
Does water pressure increase or decrease the deeper you go?
Increase
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15
If a force of 20 N is applied and the distance between the hinge of the door and the point of application of force is 40 cm, then find the magnitude of moment of force.
8 Nm
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15
Friction always acts in the _______ direction to that in which the object is moving.
opposite
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15
SI Unit of Pressure
Pascal
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15
A force of 16 N acts on an area of 50 cm^2. What is the magnitude of pressure in pascal?
3200 Pa
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15
what do vehicle brakes use?
Pressure
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15
why does a sharp knife cut more easily than a blunt knife?
it has a smaller area of contact when it is used rather than a blunt knife so the pressure of the knife is much greater than the pressure of the blunt knife of