Daily Practice · GCSE Science

Daily Practice - GCSE Science

27th October 1993

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 box has a driving force of 250 N forward and friction of 180 N backward. Calculate the resultant force, including its direction.
3
Motion: Speed, Velocity and Acceleration
A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
4
Forces, Newton's Laws and Momentum
State Newton's First Law of Motion.
5
Pressure, Moments and Levers
Write down the equation that links moment, force and distance.

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