If we apply a force against the direction of motion of a body, then the body will

(a)

stop moving

(b)

move with an increased speed

(c)

move with a decreased speed

(d)

move in a different direction

Unit of pressure is

(a)

pascal

(b)

Nm^–2

(c)

poise

(d)

Both (a) & (b)

Pascal’s law is used in

(a)

hydraulic lift

(b)

brake system

(c)

pressing heavy bundles

(d)

All the above

Which of the following liquids has more viscosity?

(a)

Grease

(b)

Water

(c)

Coconut oil

(d)

Ghee

The unit of viscosity is

(a)

Nm²

(b)

poise

(c)

kgms^–1

(d)

no unit

_______is the force acting perpendicularly on any given surface area of a body

(a)

Pressure

(b)

Thrust

(c)

Density

(d)

Volume

Even if we tilt the barometric tube at various angles, the level of mercury will______

(a)

Not vary

(b)

increases

(c)

decreases

(d)

charge

Rain drops are spherical in nature because of _________

(a)

Frictional force

(b)

Buoyant force

(c)

Surface tension

(d)

Viscous force

The unit for surface tension is _________

(a)

Nm

(b)

N^-1m

(c)

N^-1m^-1

(d)

Nm^-1

If the area of contact is greater, then the ______ will be greater.

(a)

Pressure

(b)

Temperature

(c)

Friction

(d)

Force