Objects fall towards the earth because of
Frictional force
Gravitational force
Magnetic force
Contact force
Which of the following a contact force?
Electrostatic force
Which of the following is a wrong statement?
A force may bring a change in the state of motion of an object
A force always results in a change in the state of motion
A force changes the speed of an object
A force changes the direction of motion of an object
Which of the following is the force with which a body gets attracted to the centre of the Earth?
Weight
Tension
Friction depends on
Nature of surfaces in contact
Weight of the object
Both a and b
Area of surface
The SI Unit of force is
Newton ( N)
Joule ( J )
Kilogram ( Kg)
Pascal
Which force is exerted when a moving object collides with a stationary object?
Non - Contact force
Impact force
Brakes on cycles or cars work because of
Force
Pressure
Friction
Force generated by machines is called
Muscular force
Mechanical force
Force acting at a distance
Which of the following is a strain force that is exerted by a stretched spring, rope or string?
Pull
Push
