The force acting normally on a surface is called
Gravity
Pressure
Thrust
Buoyant force
The contact force applied without touching it is called
Friction
Tension
Gravitational force
None of these
Which one of the following is correct?
Force cannot stop a moving object
Force cannot change the speed of a moving object
Force cannot change shape and size
Force can change the direction of motion
Forces that two bodies in contact apply on each other are called
Contact forces
Action - at - distance forces
Primary forces
To roll forward,there should be a friction between the wheels of a vehicle and
Engine
Air
Surface of the road
Solids always exert pressure
Upwards
Downwards
At the centre
Can’t be predicted
The force that opposes the motion or tendency of motion between two surface in contact is called
Force of friction
Magnetic force
Which is the device used to measure pressure inside a vessel?
Barometer
Manometer
Nanometer
Lactometer
If you are on a swing and your friend pulls it in the direction opposite to its motion, the swing will
Move faster
Slow down
Not change
Density of an object
Is different in different place
Is greater in liquids
Is a constant
Is less in liquids