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Science Question


Jinny Rim

on 28 April 2010

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Transcript of Science Question

Question # 37 Answer Choice A ball with a mass of 5kg is accelerating (2m/s)^2 while being thrown. About how much force was used to throw the ball? a. 4N
b. 5N
c. 10N
d. 20N Calculation Force = Acceleration x Mass

(_____) = 2 x 5

Force = 10N Answer is ... C. 10N Also you do not have to memorize the formula. This formula is written on the formula sheet. Extended Question The same ball has moved about 5m. How much work is done?
a. 2
b. 15
c. 5
d. 50 Calculation Work= Force x Distance

_______= 10N x 50m

Work = 50 Answer is.. C Additional question! Does the ball has balanced force or unbalanced force and which force is greater?
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