Explanation:
Given parameters:
Force = 30N
Weight Susan = 45kg
Weight of Dad = 100kg
Unknown:
Acceleration of Susan = ?
Acceleration of Dad = ?
Solution:
Force = mass x acceleration
Acceleration = 
Acceleration of Susan =
= 0.67m/s²
Acceleration of Dad =
= 0.3m/s²
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Acceleration brainly.com/question/3820012
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Oh my lord lol I was do ready to help then I saw numbers
Answer:
Force and displacement.
Explanation:
Work done is positive when we push table and it move in the direction of applied force.
To provide a greater certainty that the observed results are not by chance.