Forces and Pressure

In which direction does friction act?

• In the same direction as motion.

• Opposite to the direction of motion.

• At a right angle to the direction of motion.

• In a random direction.

What are some examples of actions involving force?

• Pushing

• Thinking

• Singing

• Cooking

How is pressure affected by area?

• Pressure increases when the area decreases for the same force.

• Pressure decreases when the area decreases for the same force.

• Pressure remains constant regardless of the area.

• Pressure increases when the area increases for the same force.

What is the function of sharp-edged tools?

• To concentrate force on a small area to increase pressure.

• To distribute force evenly across a large area.

• To create friction for better grip.

• To cut through materials without applying force.

Can an object at rest be considered to have a state of motion?

• No, it is not in motion.

• Yes, it is considered a state of zero speed (rest).

• Yes, it is moving at a constant speed.

• No, it is in a state of acceleration.

What is net force?

• The total mass of an object.

• The combined effect of all the forces acting on an object.

• The speed of an object in motion.

• The distance covered by an object.

Do liquids exert pressure?

• Yes, liquids exert pressure on the bottom and walls of the container.

• No, liquids do not exert any pressure.

• Only gases exert pressure, not liquids.

• Liquids exert pressure only when heated.

What is meant by the "state of motion"?

• The state of motion is described by the speed and direction of an object.

• The state of motion refers to an object's position only.

• The state of motion is determined by the object's mass.

• The state of motion indicates whether an object is at rest or in motion.

What changes can a force bring to an object?

• Change the object’s speed

• Change its color

• Change its weight

• Change its texture

What happens when a nail is pressed with the pointed end?

• It enters wood easily due to greater pressure at the tip.

• It bounces off the surface without penetrating.

• It creates a larger hole than the flat end.

• It breaks into pieces upon impact.