Sir please solve this
Dear Student,
B. True or false -
1. When a body slides over smooth and wet surfaces, the amount of interlocking of irregularitie, of the two surfaces in the contact, increases. True
2. If a car moves eastwards, the force of friction acts southwards. False
3. Friction depends on how hard the two surfacs press against each other. True
4. The sole of shoes and the tyres of the vehicles are 'treaded' to decrease the effects of friction. False
5. Lubricants can be liquids, semi-liquids or solids. True
6. Friction can be increased by using ball bearings between the moving parts of machines. False
Kindly post the different question in different thread.
Regards
B. True or false -
1. When a body slides over smooth and wet surfaces, the amount of interlocking of irregularitie, of the two surfaces in the contact, increases. True
2. If a car moves eastwards, the force of friction acts southwards. False
3. Friction depends on how hard the two surfacs press against each other. True
4. The sole of shoes and the tyres of the vehicles are 'treaded' to decrease the effects of friction. False
5. Lubricants can be liquids, semi-liquids or solids. True
6. Friction can be increased by using ball bearings between the moving parts of machines. False
Kindly post the different question in different thread.
Regards