FORCE (YEAR 6)

What is force?

• A pull applied on an objects.

• A pull or push applied on an objects.

• A push on an objects

Frictional force is the force produced when two surfaces are in ... with one another.

(a)  

What is the force is pull that acts upon on object below?

• closing the door

• opening the laptop lid

• pressing a clipboard

• opening the door

Choose the force is push that acts upon an objects?

• pressing a clipboard

• pressing the keyboard keys

• closing the door

• pulling the zipper of a pencil case

What is effect of force?

• Changes the shape of an object.

• Changes the direction of movement of an object

• Changes the speed of an object

• Stops a moving object

The force from waves can increase or decrease the ... of the kayak.

(a)  

The player dribbles the ball to control its ...

(a)  

Choose the advantages of frictional force below.

• Wear out shoe soles.

• Sandpaper can smoothen the rough surface of wood.

• Rusty screws can increase friction.

• Brake pads can slow bicycle and stop their movement.

What is disadvantages of frictional force?

• Rubbers can erase writings on paper.

• Damage the engines over time.

• Produced loud noise.

• Tread patterns on vehicle tyres can increase the grip on the soil.

Factors affecting frictional force are as follows ...

• speed of an object

• mass of an object

• shape of an object

• type of surface