Grade 11 Dynamics Worksheet
This worksheet covers fundamental concepts in dynamics, including Newton's Laws of Motion, forces, and their applications.
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Grade 11 Dynamics Worksheet
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Read each question carefully and provide your best answer. Show all your work for calculations.
1. Which of Newton's Laws states that an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force?
First Law
Second Law
Third Law
Law of Universal Gravitation
2. A net force of 20 N acts on a 5 kg object. What is the acceleration of the object?
0.25 m/s²
4 m/s²
15 m/s²
100 m/s²
3. The force that opposes motion between two surfaces in contact is called .
4. According to Newton's Third Law, for every action, there is an equal and reaction.
5. The product of an object's mass and its velocity is called .
6. An object in free fall experiences no air resistance.
True
False
7. Momentum is a scalar quantity.
True
False
8. State Newton's Second Law of Motion and provide its mathematical formula.
9. Explain the concept of inertia with a real-world example.
10. A car of mass 1200 kg accelerates from rest to 20 m/s in 5 seconds. Calculate the net force acting on the car.