Static Equilibrium Worksheet
Explore the principles of static equilibrium, balanced forces, and torque with this comprehensive worksheet for 8th-grade science students.
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Static Equilibrium
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Read each question carefully and provide your best answer. Show all your work for calculation problems.
1. Which of the following conditions must be met for an object to be in static equilibrium?
The net force acting on it is zero.
The net torque acting on it is zero.
Both a and b.
Neither a nor b.
2. An object is at rest on a table. What is the relationship between the gravitational force acting on the object and the normal force exerted by the table?
Gravitational force is greater.
Normal force is greater.
They are equal in magnitude and opposite in direction.
They are unrelated.
3. Static equilibrium means an object is at and its velocity is .
4. The turning effect of a force is called .
5. An object in static equilibrium can have forces acting on it.
True
False
6. A seesaw with two children of different weights sitting at equal distances from the pivot is in static equilibrium.
True
False
7. Describe a real-world example of an object in static equilibrium and explain why it fits the definition.
8. A 10 kg mass is hanging from a rope. What is the tension in the rope when the mass is at rest? (Assume g = 9.8 m/s²)
9. Consider the lever below. For it to be in static equilibrium, what force (F2) is needed at 4 meters from the pivot to balance a 100 N force (F1) at 2 meters from the pivot?
Use the words below to complete the sentences.
10. In static equilibrium, all forces and torques are , resulting in a net force and net torque of .