Friction – 1

Friction opposes the _________________ between the surfaces in contact with each other.

Friction depends on the __________ of surfaces.

Friction produces ___________.

Sprinkling of powder on the carrom board ____________ friction.

Sliding friction is ___________ than the static friction.

The force of friction always opposes the applied force. True or false?

• True

• False

On rough surfaces, there are a lesser number of irregularities. True or false?

• False

• True

Sliding friction is slightly smaller than the static friction. True or false?

• True

• False

Friction is caused by the irregularities on the two surfaces in contact.True or false?

• True

• False

Soles of shoes wear out due to gravity. True or false?

• False

• True