A car rolls down a hill with an acceleration of 1.5m/s/s. If the mass of the car is 900 kg, the unbalanced force that acts on the car is_________. *
a. 1,350N
b. 150N
c. 900N
d. 600N
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Answer:
a. 1,350N
Force=mass×acceleration
Mass=900kg
Acceleration=1.5m/s square
Force=900×1.5
=1350.0
=1350N
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