(Webber's alternator blew on the seventeenth lap, forcing his withdrawal).
Meares came to a near halt at the end of the first of three laps, forcing Pendleton to the front.
Meanwhile Heikki Kovalainen had spun his McLaren halfway round the lap, forcing another tailender, Giancarlo Fisichella's Ferrari, on to the grass.
But he wasted his pole position -- vital to winning at Monaco -- with his botched start on the formation lap, forcing the British driver to start from the back of the pack.
A replacement tyre was duly fitted but damage incurred in the initial incident punctured the new tyre on his out lap, forcing the car behind the pit wall for repairs that lost eight laps, dropping the No1 to 50th and apparently out of the running.
But the tactic failed when Alonso hit traffic on his out lap, forcing the Spaniard into an extra pit stop later in the race.
On pole once again at Silverstone, one of the LC2s was in the lead of the race until a wheel bearing failure in the closing laps forced Nannini to pit, forfeiting the lead.
Sainz fought back to run eighth in the closing laps, behind Force India's Nico Hulkenberg, but was passed by Sauber's Marcus Ericsson with two laps to go.
But when a child is sitting in an adult lap, the force of the adult's weight behind him ends up breaking his leg.
Results indicated that US vibration is a significant factor having positive influence on lap shear force and hardness.
The existence of a correlation between metal surface temperature and tensile lap shear force was revealed, and the surface temperature resulting in the best mechanical performance was determined.
