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1
Practice quiz
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Physics equations/09-Statics and Torque/Q:torques
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Physics equations
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09-Statics and Torque
(Redirected from
Physics equations/09-Copy Statics and Torque/Q:torques
)
Equations for this quiz
Solutions (pdf)
Testbank
Practice quiz
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1
A massless bar of length, S = 7.6m is attached to a wall by a frictionless hinge (shown as a circle). The bar is held horizontal by a string that makes and angle θ = 37.4 degrees above the horizontal. An object of mass, M = 6kg is suspended at a length, L = 5.4m from the wall. What is the tension, T, in the string?
a) 3.45E+01 N
b) 4.34E+01 N
c) 5.46E+01 N
d) 6.88E+01 N
e) 8.66E+01 N
2
In the figure shown, L
1
= 5.3m, L
2
= 4.3m and L
3
= 7.3m. What is F
1
if F
2
=3.6N and F
3
=5.1N?
a) 8.21E+00 N
b) 9.95E+00 N
c) 1.20E+01 N
d) 1.46E+01 N
e) 1.77E+01 N
3
A massless bar of length, S = 8.1m is attached to a wall by a frictionless hinge (shown as a circle). The bar is held horizontal by a string that makes and angle θ = 28.2 degrees above the horizontal. An object of mass, M = 9.2kg is suspended at a length, L = 5.7m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?
a) 8.06E+01 N
b) 9.77E+01 N
c) 1.18E+02 N
d) 1.43E+02 N
e) 1.74E+02 N
4
In the figure shown, L
1
= 6.5m, L
2
= 4.5m and L
3
= 7.8m. What is F
2
if F
1
=0.56N and F
3
=0.4N?
a) 6.50E-02 N
b) 7.87E-02 N
c) 9.54E-02 N
d) 1.16E-01 N
e) 1.40E-01 N
5
A massless bar of length, S = 9.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar is held horizontal by a string that makes and angle θ = 26.5 degrees above the horizontal. An object of mass, M = 6.8kg is suspended at a length, L =6.6m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?
a) 1.39E+01 N
b) 1.68E+01 N
c) 2.03E+01 N
d) 2.46E+01 N
e) 2.99E+01 N
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Physics equations/Quizzes
Quizbank/bank/College Physics