Concept of force was given by:
Sir Isaac Newton
Robert Boyle
Albert Einstein
Blaise Pascal
Tyres of vehicles are deflated in deserts in order to :
Increase pressure
Increase force
Decrease force
Decrease pressure
Find the area of the school bag strap in contact with your shoulders if the weight of the bag is 100N and pressure exerted by the bag on your shoulders is 10000 Pa?
10 m2
0.1 m2
0.01 m2
0.001 m2
1 Pa = ?
1 N2/m2
1 N2/m
1 N/m2
1 N/m
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
1 kilogram force is almost equal to:
102N
10N
1000N
1⁄10N
Two coolies push a baggage trolley. One applies 100N force and the other applies 200N force in the same direction. The net force is :
200N
300N
20N
100N
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
Two girls are applying forces of 20N and 15N in the same direction. The net resultant force is :
5N
15N
35N
An example of electrostatic force is :
Earth revolving around the sun
Mustard seeds repelling each other
A magnet exerts force on another magnet
A girl pushing a chair
