1 Pa = ?
1 N2/m2
1 N2/m
1 N/m2
1 N/m
The force which acts in the direction opposite to the direction of motion is called :
Gravitational Force
Magnetic Force
Frictional Force
Electrostatic Force
Force has both magnitude as well as :
Speed
Direction
Accelaration
Velocity
Straps of school bags are made broad to :
Reduce force
Increase pressure
Reduce pressure
Increase force
What is the pressure exerted, when a force of load acts on an area of 0.5 m2? What will be the new value of pressure if the force is increased by 50N?
200 Pa
150 Pa
300 Pa
500 Pa
Tyres of vehicles are deflated in deserts in order to :
Decrease force
Decrease pressure
An example for force can produce motion in a body is :
A boy kicking a football
A cyclist applying brakes to stop a bicycle
A child doing clay modelling
A rocket lifting off
Friction can be increased by :
Applying oils
Polishing
Using wheels
Increasing roughness of the surface
What is the pressure exerted by a person of weight 550 N on the snow. If the total ski surface area is 0.5 m2 ?
1100 Pa
1000 Pa
2750 Pa
275 Pa
An example for force as a push is :
A fisherman pulling a fishing net
A man pulling the cart
Strech a spring
A boy kick a football
