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WorksheetsFriction and Forces
Total questions: 20
Worksheet time: 10mins
Q1. Push or pull acting upon any object as a result of an interaction is
wt
force
mass
none
Q2. Which of the following is not the effect of force?
Force can change the shape of object.
Force can change the size of the object.
Force can change the mass of an object.
Force can stop a moving object.
Q3. If heavy objects are made to roll _______friction comes into play.
sliding friction
rolling
static friction
kinetic friction
Q4. Which is not the advantage of friction?
Friction helps in walking.
Friction allows us to write on paper.
Cars and buses move safely on roads due to friction.
Friction causes wear and tear.
Q5. Odd one out: polishing , washing , providing ball bearings
washing
polishing
providing ball bearings
Q6. A horse pulling a cart is a
frictional force
muscular force
gravitational force
Q7. Interaction between different types of charges is
electrostatic force
muscular force
frictional force
Q8. Tyres of vehicles have grooved designs to
reduce friction
increase friction
Q9. The friction caused due to fluids such as water and air is termed as
kinetic friction
static friction
drag
none of the above
Q10. Non - contact forces are also called as
contact forces
action -at - a - distance forces
Q11. Gravitational forces, magnetic forces and electrostatic forces are examples of :
Contact forces
Non- contact forces
Both
None
Q12. Friction can be increased by increasing the ________of the surfaces in contact.
Smoothness
Area
Roughness
None of the above
Q13. The friction which occurs when the applied force overcomes static friction and the object starts moving is:
Static friction
Kinetic friction
Rolling friction
Sliding friction
Q14. A man puts wheels in his suitcase. It becomes easy for him to move his suit case. Which friction comes into play?
Sliding friction
Rolling friction
Both of the above
None of the above
Q15. Odd one out: a player kicking a ball, a horse pulling a cart, interaction between different charges, person lifting a suitcase.
interaction between different charges
a player kicking a ball
a horse pulling a cart
person lifting a suitcase.
Q15 Ball bearings are provided between wheel and axle to
increase friction
reduce friction
none of the above
Q17. A car can skid on the wet road due to:
Increased friction between the road and tyres.
reduced friction between the road and tyres.
None of the above.
Q18. A ______ attracts iron pieces towards itself.
Iron nail
Pins
Magnet
None of the above
Q19. When the weight remains same, friction is independent of the ______ of surface in contact.
Mass
Length
Area
None of the above
Q20. Friction wears down the parts of machines.
True
False
