force

SI unit of force is

• kelvin

• newton

• pascal

• watt

which is not a field force

• gravitational force

• magnetic force

• electrostatic force

• tension

if the object is at rest, then the forces acting on the object are

• balanced

• unbalanced

• zero force

• non zero force

In the formula of force F = ma , a is ........................

• amplitude

• acceleration

• altitude

• all the above

In the following figure ,the force exist in the rope is

• tension

• normal

• electrostatic force

• nuclear force

If the Area of contact is more the the pressure is

• less

• more

• same

• not defined

If the net force is Fnet = F₁ + F₂ the forces are in the .....................direction

• same

• opposite

• any direction

• none of the above

Among the following which is a temporary change

• tearing a paper

• breaking a glass

• stretching a rubber band

• breaking a chalk

when a batsman hits a ball with a bat, what changes occurs with the ball

• speed of the ball changes

• direction of the ball changes

• ball comes to rest

• no change occur

A ball rolling on the ground comes to rest due to............

• gravitational force

• friction

• tension

• magnetic force