Q1 MCQ Drill: 2021 Physical Sciences P1 (2021 NSC October/November National Examination)

Physical Sciences Past Paper Question 1 Drill Level 1: Knowledge & Recall

5:00

3 multiple-choice questions taken verbatim from Section A of the official 2021 NSC October/November National Examination Physical Sciences Paper 1, auto-marked against the official marking guideline. Questions that rely on diagrams or graphs are excluded - see the full paper for those.

Question 1 of 3 2 Marks

Consider the statement below. The perpendicular force exerted by a surface on an object in contact with the surface. Which ONE of the following forces is defined by the statement above?

A. Normal force

B. Resultant force

C. Frictional force

D. Gravitational force

Question 2 of 3 2 Marks

Two balls of masses m and 2m are dropped simultaneously from the same height above the ground. Ignore air resistance. When the balls strike the ground, which ONE of the following physical quantities will be the same for both balls?

A. Weight

B. Velocity

C. Momentum

D. Kinetic energy

Question 3 of 3 2 Marks

In which ONE of the following electrical machines is electrical energy converted to mechanical energy?

A. AC generator

B. DC generator

C. AC dynamo

D. DC motor

Q1 MCQ Drill: 2021 Physical Sciences P1 (2021 NSC October/November National Examination)

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