On Tuesday afternoon, Year 4 used our knowledge of friction and lubrication to spruce up our bikes. We thought hard about which parts of a bike need lots of friction and which parts of a bike don’t need so much! Can you guess where the oil went?
On Tuesday afternoon, Year 4 used our knowledge of friction and lubrication to spruce up our bikes. We thought hard about which parts of a bike need lots of friction and which parts of a bike don’t need so much! Can you guess where the oil went?