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Grade 10 · Physics

Grade 10 Physics diagnostic

16 questions on motion & graphs, forces & equilibrium, energy, work & power, momentum & collisions, thermal physics, waves & sound and electricity & circuits, plus 2 from Grade 9. Answer what you can, then check your answers to see which topics are secure and what to practise next.

16 questions7 topicsAbout 20 minutesSet 5 of 5

Skip a question if you do not know the answer. It is better than guessing, because it shows what to practise.

1Motion & graphsA cart moves at 20 m/s, then slows at a constant 7 m/s² to rest. Find its braking distance, excluding any reaction distance. Round to 3 decimal places if needed. Answer in m.
m
2Motion & graphsOn an east-positive axis, position changes from -18 m to 51 m in 7 s. Find the signed average velocity. Round to 3 decimal places if needed. Answer in m/s.
m/s
3Forces & equilibriumA 14 kg cart has horizontal forces 24 N right and 112 N left. No other horizontal forces act. Taking right as positive, find its acceleration. Round to 3 decimal places if needed. Answer in m/s².
m/s²
4Forces & equilibriumA sliding block has normal force 238 N and kinetic friction coefficient 0.3. Find the friction-force magnitude in this model. Round to 3 decimal places if needed. Answer in N.
N
5Energy, work & powerAn ideal linear spring has k = 200 N/m and extension 18 cm. Find the stored elastic energy. Round to 3 decimal places if needed. Answer in J.
J
6Energy, work & powerA device receives 400 J and has useful-energy efficiency 55%. Find the useful output energy. Round to 3 decimal places if needed. Answer in J.
J
7Momentum & collisionsA 20 kg object changes signed velocity from -11 m/s to -7 m/s. Find the net impulse on it. Round to 3 decimal places if needed. Answer in N·s.
N·s
8Momentum & collisionsCarts 11 kg at 9 m/s and 10 kg at -1 m/s collide and stick. Velocities share one signed axis; external impulse is zero. Find their final velocity. Round to 3 decimal places if needed. Answer in m/s.
m/s
9Thermal physicsA 1.1 kg sample with specific heat 2100 J/(kg·°C) warms by 15 °C. No phase change or heat loss occurs. Find energy supplied. Round to 3 decimal places if needed. Answer in J.
J
10Thermal physicsMix 3 kg at 10 °C with 1 kg at 86 °C of the same liquid. Assume equal constant specific heat, no phase change, negligible container heat capacity and no losses. Find equilibrium temperature. Round to 3 decimal places if needed. Answer in °C.
°C
11Waves & sound40 complete oscillations take 36 s. Find the period. Round to 3 decimal places if needed. Answer in s.
s
12Waves & soundA wave has frequency 106 Hz and wavelength 4.3 m. Find its speed. Round to 3 decimal places if needed. Answer in m/s.
m/s
13Electricity & circuitsAn ohmic resistor of 57 Ω has potential difference 11 V. Find current. This is a paper calculation, not a construction instruction. Round to 3 decimal places if needed. Answer in A.
A
14Electricity & circuitsA model device uses constant power 725 W for 19 h. Find the energy in kilowatt-hours. Round to 3 decimal places if needed. Answer in kWh.
kWh

From Grade 9

These questions check skills from the grade below, so gaps can be spotted early.

15Motion & graphs (Grade 9)A rover travels 196 m in 64 s, then 194 m in 26 s. Find its average speed for both stages. Round to 3 decimal places if needed. Answer in m/s.
m/s
16Motion & graphs (Grade 9)A robot moves 48 m east and then 30 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.
m