Calculate the following set of problems. Solve it using GRESA (Given, Required, Equation, Solution, Answer) method. Show your solution. Problem Sets
1. Sophia, who’s mass is 52 kg experienced a net Force of 1800 N at the bottom of a roller coaster loop during her school’s physics fieldtrip to the local amusement parks. Determine Sophia’s acceleration at this location.
2. Determine the net Force required to accelerate a 540-kg ultra-light car from 0-27 m/s (60mph) in 10.0 seconds.
3. An object accelerates 2.0 m/s2 when a force of 12.0 Newton is applied to it. What is the mass of the object?
4. An object with a mass of 3.2 kg has a force of 7.3 Newton applied to it. What is the resulting acceleration of the object?
1. Sophia, who’s mass is 52 kg experienced a net Force of 1800 N at the bottom of a roller coaster loop during her school’s physics fieldtrip to the local amusement parks. Determine Sophia’s acceleration at this location.
2. Determine the net Force required to accelerate a 540-kg ultra-light car from 0-27 m/s (60mph) in 10.0 seconds.
3. An object accelerates 2.0 m/s2 when a force of 12.0 Newton is applied to it. What is the mass of the object?
4. An object with a mass of 3.2 kg has a force of 7.3 Newton applied to it. What is the resulting acceleration of the object?
Answers & Comments
Problem 1:
Given:
F = 1,800 N
m = 52 kg
Required:
a
Solution:
F = ma
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Problem 2:
Given:
m = 540 kg
vi = 0
vf = 27 m/s
t = 10.0 s
Required:
F
Solution:
Solving for a
a = 2.7 m/s²
Solving for F
F = ma
F = (540 kg)(2.7 m/s²)
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Problem 3:
Given:
F = 12.0 N
a = 2.0 m/s²
Required:
m
Solution:
F = ma
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Problem 4:
Given:
F = 7.3 N
m = 3.2 kg
Required:
a
Solution:
F = ma