# Physics

1. Which is NOT true about the variables in the relationship F = ma?

Acceleration is directly proportional to mass.
Force is directly proportional to mass.
Force is directly proportional to acceleration.
Acceleration will double if force is doubled.

An object near the earthâ€™s surface is in a state of free fall. The object is experiencing a downward force of 170 N. What is the mass of the object?
17.6 kg
17.3 kg
18.0 kg
17.0 kg

1. 👍 0
2. 👎 0
3. 👁 1,891
1. a. False.
b. True.
c. True.
d. True.

2. F = m*a.
170 = m * 9.8.

1. 👍 0
2. 👎 1

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