Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th July 1998

5 questions · GCSE · 584 questions in this band

1
Radioactivity, Half-Life and Nuclear Uses
Radium-226 (atomic number 88) decays by alpha emission. State the atomic number of the nucleus formed.
2
Forces
A resultant force of 45 N acts on an object of mass 9.0 kg. Calculate its acceleration. Use F = m x a.
3
Motion: Speed, Velocity and Acceleration
Define the term 'vector quantity' and give one example.
4
Forces, Newton's Laws and Momentum
Calculate the momentum of a 1200 kg car travelling at 18 m/s.
5
Pressure, Moments and Levers
State the equation that links pressure, force and area.

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