Question

give examples to show the force of friction is a friend or foe

Answer 1

friction helps us to move, write
in this case it is a friend
but it also behaves as a for. for egs when friction is less bet. our foot and ground it will cause hurts in us

Answer 2

When Friction is a Friend.

• It helps us to walk without slipping or skidding.
• It helps us to write.
• It helps vehicles on road to travel without skidding.
• It brings a stop to an object in motion.

When Friction is a Foe.

• Soles of shoe's wear out due to friction.
• Friction produces heat, for example, engines of cars become hot.
• Friction produces energy, meaning, there is a waste of energy.
• It is an opposing force, so it opposes certain forces.