Warning: Undefined array key 1 in /home/acaproso/public_html/._System/._Template/.Main.php on line 116
Friction questions

Friction questions | form three Physics

Find Friction examination questions, form three Physics in acaproso.com

# Question
1

The force which causes wear and tear between machine parts is known as
A. friction

B. torsional
C .repulsive

D. magnetic.


Multiple choices
2

A block of mass 1 kg is placed on top of a horizontal table. If the horizontal force
required just to move the block is 19.6 N, then the coefficient of friction between the two
surfaces is
A. 0.31
B. 0.02
C. 04
D. No correct answer


Multiple choices
3

The Liquid used to prevent friction between moving machine parts is called-----------
.


Short answers
4

Write two advantages of friction


Short answers
5

The force which causes wear and tear between machine parts is known as
A.  friction

B . torsional
C . repulsive

D . magnetic.


Short answers
6

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


Fill in blanks
7

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.


Multiple choices
8

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


Multiple choices
9

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.


Multiple choices
10

Lubricants are mostly applied in machine parts in order to ____


Fill in blanks