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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 2 of 5

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

1Motion & graphsTwo carts approach each other on a straight track at 4 m/s and 18 m/s. How fast is their separation decreasing? Round to 3 decimal places if needed. Answer in m/s.
m/s
2Motion & graphsA model object leaves a ledge horizontally at 12 m/s from height 125 m. Use g = 10 m/s² and no air resistance. Find its horizontal range to the ground. Round to 3 decimal places if needed. Answer in m.
m
3Forces & equilibriumA sliding block has normal force 107 N and kinetic friction coefficient 0.5. Find the friction-force magnitude in this model. Round to 3 decimal places if needed. Answer in N.
N
4Forces & equilibriumOn a weightless balanced beam, 93 N acts 8 m left of the pivot. What downward force at 3 m right balances it? Forces are perpendicular to the beam. Round to 3 decimal places if needed. Answer in N.
N
5Energy, work & powerA device receives 570 J and has useful-energy efficiency 80%. Find the useful output energy. Round to 3 decimal places if needed. Answer in J.
J
6Energy, work & powerA constant 48 N force acts through a 11 m displacement. The cosine of the angle between them is 1. Find the work by this force. Round to 3 decimal places if needed. Answer in J.
J
7Momentum & collisionsCarts 1 kg at 11 m/s and 8 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
8Momentum & collisionsA 4 kg object has signed velocity 3 m/s on a chosen axis. Find its signed momentum. Round to 3 decimal places if needed. Answer in kg·m/s.
kg·m/s
9Thermal physicsA 1.9 kg sample with specific heat 2100 J/(kg·°C) warms by 10 °C. No phase change or heat loss occurs. Find energy supplied. Round to 3 decimal places if needed. Answer in J.
J
10Thermal physicsA 530 g sample completely melts at its melting temperature. Its latent heat is 400000 J/kg. Ignore losses. Find energy required. Round to 3 decimal places if needed. Answer in J.
J
11Waves & sound23 complete oscillations take 4 s. Find the period. Round to 3 decimal places if needed. Answer in s.
s
12Waves & soundA wave has frequency 8 Hz and wavelength 1.5 m. Find its speed. Round to 3 decimal places if needed. Answer in m/s.
m/s
13Electricity & circuitsA theoretical 19 V ideal source supplies parallel ohmic resistors 25 Ω and 26 Ω. Find total source current. Round to 3 decimal places if needed. Answer in A.
A
14Electricity & circuitsA model device uses constant power 1300 W for 17 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 124 m in 65 s, then 302 m in 47 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 rover travels 87 m in 42 s, then 135 m in 11 s. Find its average speed for both stages. Round to 3 decimal places if needed. Answer in m/s.
m/s