Connected Bodies - Ropes & Tow Bar (Edexcel A-Level Mathematics): Quizzes

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Connected Bodies - Ropes & Tow Bar
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According to Newton's Third Law, every force has what type of reaction force?

Equal and opposite

In connected bodies, how does tension act on the linked objects?

In opposite directions

If object A pulls object B with tension TT, what tension does B exert on A?

Same magnitude TT, opposite direction

For a book on a table, how does the table's reaction force relate to the book's weight?

Equal and opposite

When a ball falls to Earth, how does the force on Earth compare to that on the ball?

Same magnitude

In the problem, what are the masses of particles P and Q respectively?

55 kg and 33 kg

What horizontal force pulls particle P in the problem?

4040 N

What frictional forces act on particles P and Q respectively?

1010 N and 66 N

What is the equation for particle P using F=maF = ma?

30T=5a30 - T = 5a

What is the equation for particle Q using F=maF = ma?

T6=3aT - 6 = 3a

What is the acceleration of the connected particles?

33 m/s²

What is the tension in the string connecting P and Q?

1515 N

Why is it important that the string is light?

It doesn't add weight affecting acceleration

Why is it important that the string is inextensible?

Both particles have same acceleration

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