Answer all the questions in the spaces provided. (i) Distinguish between vector quantities and scalar quantities. (ii) State whether each of the following is a vector quantity or a scalar quantity. 1. temperature 2. acceleration of free fall 3. electrical resistance (b) A block of wood of weight $25\ \text{N}$ is held stationary on a slope by means of a string, as shown in Fig. 1.1. The tension in the string is $T$ and the slope pushes on the block with a force $R$ that is…

Physics 9702/22 — October/November 2010

Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme

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Topics Forces, Density and Pressure · Physical Quantities and Units · Kinematics · Dynamics · Deformation of Solids · Waves · +3 more

Q1Physical Quantities and UnitsForces, Density and PressureFree sample

Answer all the questions in the spaces provided.

(a)

(i)

Distinguish between vector quantities and scalar quantities.

(ii)

State whether each of the following is a vector quantity or a scalar quantity.

(b)

A block of wood of weight $25\ \text{N}$ is held stationary on a slope by means of a string, as shown in Fig. 1.1.

Fig. 1.1

The tension in the string is $T$ and the slope pushes on the block with a force $R$ that is normal to the slope.

Either by scale drawing on Fig. 1.1 or by calculation, determine the tension $T$ in the string.

$T$ = ______ $\text{N}$

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