WorksheetsFriction force prim5 Abeer samir
Total questions: 21
Worksheet time: 11mins
Friction acts in...... Direction of motion
Opposite
Same
Downward
Force arises between two surfaces touch each other
Motion
Friction
Movement
Sliding body over another one this means that friction is...... Than motion
Smaller
Greater
Equal
Friction causes.........
Slowing down and stopping the moving body
Increasing speed
Motion in one direction
Friction prevents us from....
Walking
Running
Slipping down
Friction force depends on
Surface area only
Speed of body only
Type of material surfacr
All pervious answers
When the speed of moving body increases the friction....
Increases
Decrease
Doesn't change
There is a...... Relationship between friction and surface area of moving body
Direct
Inverse
Opposite
Air resistance ..... When body moves so fast
Increaseas
Decreases
Doesn't change
Type of friction that affect moving body through air
Friction
Air resistance
Water resistance
Friction...... Between smooth surfaces
Increase
Decrease
Larger
Friction..... Between rough surfaces
Increases
Decrease
Constant
Water resistance..... When swimmer moves with high velocity
Increases
Decreases
Force affect on boat in river
Friction
Water resistance
Air resistance
Friction causes......... Temperature of machines
Raise
Reduce
Machines need continous....... To protect them from damage
Cooling
Heating
Ship has streamline shape to......
Decrease water resistance
Decrease air resistance
Increase water resistance
Trains are designed with...... Shape
Streamline
Rectangular
Circular
Car brakes depends on......
Friction
Motion
Fuel
هل اشتركت بقناة اليوتيوب عشاق الساينس وصفحة الفيس التعليمية تعالوا نتعلم صح مع ميس عبير سمير
نعم
لا
Bird stretch wings during landing to....... Air resistance
Increase
Reduce
Decrease
