An object has a mass of 10 kg and it is accelerating at a rate of 12 m/s2. What is the net force causing this acceleration? 100 N
O 120 N
0 140 N
O 160 N

net force causing acceleration is 120N

Explanation:

Given parameters:

Mass of the object  = 10kg

Acceleration  = 12m/s²

Unknown:

Net force of this acceleration  = ?

Solution:

According to newtons second law of motion;

     Force  = mass x acceleration

Sine the unknown is the net force, input the parameters and solve for it;

   Force  = 10 x 12  = 120N

The net force causing acceleration is 120N

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

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