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Samuels PS Energy 2
Test Description: Physical science energy and fundamental forces.
Instructions: Answer all questions to get your test result.
1) The energy that depends on the position of the object, such as a ball resting on the edge of a table.
A
mechanical
B
kinetic
C
thermal
D
potential
2) This principle states that energy lost by one object equals energy gained by another object.
A
Law of causality
B
Law of conservation of energy
C
Law of conservation of matter
D
2nd Law of Thermodynamics
3) Which of the following is the equation for kinetic energy?
A
KE= m/v2
B
KE = kmv
C
KE = 1/2mv2
D
KE = mv3
4) PE = mgh is the equation for
A
gravitational potential energy
B
magnetic potential energy
C
elastic potential energy
D
electric potential energy
5) The weakest fundamental force but has effect at great distances
A
gravitational force
B
electromagnetic force
C
strong nuclear force
D
weak nuclear force
6) The strongest fundamental force at small distance
A
strong nuclear force
B
electromagnetic force
C
gravitational force
D
weak nuclear force
7) This force acts on charges and can both attract and repel
A
weak nuclear force
B
strong nuclear force
C
gravitational force
D
electromagnetic force
8) The Earth’s attraction to the sun is an example of
A
electromagnetic force
B
gravitational force
C
strong nuclear force
D
weak nuclear force
9) This keeps the protons and neutrons together within the nucleus
A
electromagnetic force
B
strong nuclear force
C
gravitational force
D
weak nuclear force
10) This causes elastic potential energy
A
weak nuclear force
B
gravitational force
C
electromagnetic force
D
strong nuclear force
*select an answer for all questions
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