Friction questions | form three Physics

The type of frictional force experienced by a spherical body moving in water is called ______

Answer / Solution

UNSOLVED

Which of the following groups represent forces?
A. Acceleration, energy and light
B. Energy, heat and upthrust
C. Friction, gravity and upthrust
D. Gravity, light and velocity.

Answer / Solution

UNSOLVED

Motor vehicle tyres are made of grooved rubber in order to:
A. decrease stability of the tyres on the road
B. decrease the speed of the tyres on the road
C. increase friction between the tyres and the road for safe braking
D. increase the speed of the tyres on the road

Answer / Solution

UNSOLVED

A car moving at steady speed has a frictional force on its surface whose size depends on its
A speed and surface area
B speed
C surface area
D weight
E wheels speed.

Answer / Solution

UNSOLVED

Lubricants are mostly applied in machine parts in order to ____

Answer / Solution

UNSOLVED