FRICTION

Applying grease on window hinges.

• Increases friction

• Reduces friction

Wearing shoes that have tread patterns on the soles.

• Increases friction

• Reduces friction

Using powder when playing the carom.

• Increases friction

• Reduces friction

Using rollers when moving a heavy box.

• Increases friction

• Reduces friction

Using anti-slip mats in the bathroom.

• Increases friction

• Reduces friction

What is the definition of force?

• Force is friction acting on an object.

• Force is a pull or push upon an object.

• Force is a push on an object.

• Force is a pull on an object.

Which of the following activities involves push and pull?

• Pulling a palm frond.

• Pushing the wheelbarrow.

• Playing badminton

• Climbing a wall.

EARTH IS ALWAYS ORBITING AROUND THE SUN

Based on the statement, what force causes the Earth to remain in its orbit and always orbiting around the Sun?

• Pull

• Push

• Friction

• Pull and push

What is the effect of the force involved in diagram shown?

• Force changes direction

• Force stops the object from moving

• Force changes shape

• Force moves stationary objects

Force can change the direction of movement of an object. Which of the following situations does not show this effect of force?

• 
• 
• 
•