Force and Pressure

The turning effect of force results in ____________ motion.

• translational

• rotational

• random

• linear

Which of the following are the examples of the turning effect of force?

• A merry-go-round

• Opening a soda bottle with an opener

• Opening a door

• All of these

Which of the following is also known as a counter-clockwise rotation?

• Clockwise rotation

• Anti-clockwise rotation

• Clock rotation

• None of these

Which of the following is a unit of the moment of force?

• N

• m

• Nm

• N/m

What magnitude of the force can create 100 Nm of moment of force, from a distance of 0.5m?

• 100N

• 2000N

• 50N

• 200N

Which of the following is defined as pressure?

• Force per unit area

• Force per unit volume

• Force per unit length

• None of these

Which of the following can exert pressure?

• Solids

• Liquids

• Gases

• All of these

What will be the magnitude of pressure, if the area on which the force is applied, is increased?

• It will increase

• It will decrease

• It will remain the same

• None of these

Which of the following factor does not affect the pressure exerted by a liquid?

• The density of the liquid

• Depth of the object inside the liquid

• Amount of liquid in the vessel

• None of these

Which of the following will experience the highest pressure in the liquid?

• An object having a depth of 25 m

• An object having a depth of 50 cm

• An object having a depth of 50 m

• An object having a depth of 25 cm