Igcse Model Questions Vol1 2018 Physics Question 2

Practice practical question 2 from the 2018 Igcse Model Questions Vol1 Physics examination. This question covers Scalars and Vectors, Force Table .

Igcse Model Questions Vol1 2018 Physics Practical
Topics: Scalars and Vectors Force Table
Question 2 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • practical

A force table is used to determine the resultant of two forces acting on a small wooden block placed at the centre of the table. Force F₁ of magnitude 5.0 N is applied along a string that makes an angle of 30° to the horizontal (measured anticlockwise). Force F₂ of unknown magnitude is applied along a second string that makes an angle of 120° to the horizontal. The block remains stationary when a third force, the resultant R, is applied along a third string at an angle of 210° to the horizontal. The magnitude of R is read from the scale as 6.0 N.

Question Parts

( a )
Resolve forces F₁ and R into their horizontal (x) and vertical (y) components. Show the component values to two decimal places.
( b )
Using the condition that the block is in equilibrium, write the two simultaneous equations for the sum of horizontal components and the sum of vertical components, and solve for the magnitude of the unknown force F₂.
( c )
Explain why it is necessary to resolve the forces into components before applying the equilibrium conditions.

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About This Question

This is Igcse Model Questions Vol1 2018 Physics Question 2. It is one of the practical questions from the 2018 Igcse Model Questions Vol1 Physics examination.

The question covers Scalars and Vectors, Force Table .

View More Igcse Model Questions Vol1 2018 Physics Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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