IMO Practice Test — Push, Pull & Motion
6 Questions • 12 min • Olympiad level
12:00
Question 1 of 6
medium
A ball rolls farther on a smooth floor than on a carpet because the floor has…
No weight
More friction
More colour
Less friction
Explanation: Less friction lets the ball roll farther.
Question 2 of 6
hard
In space, a pushed ball keeps moving for a long time because there is almost no…
Friction to slow it
Light
Colour
Sound
Explanation: With little friction, motion continues much longer.
Question 3 of 6
hard
On the Moon, gravity is weaker, so a child could jump…
Into the ground
Not at all
Only sideways
Much higher than on Earth
Explanation: Weaker Moon gravity lets you jump higher.
Question 4 of 6
hard
A freely hanging bar magnet always rests pointing roughly…
Towards the Sun
Up-Down
North-South
In a circle
Explanation: A free magnet lines up North-South, like a compass.
Question 5 of 6
medium
Two children pull a rope in opposite directions equally. The rope…
Disappears
Flies up
Stays still
Turns to gas
Explanation: Equal opposite pulls balance, so the rope stays still.
Question 6 of 6
hard
Race cars have smooth, wide tyres on dry tracks mainly to balance grip and…
Add weight
Reduce slowing friction for speed
Add colour
Make noise
Explanation: Tyre design balances grip with less slowing friction.