Question

answer the 2 please​

Answer 1

Answer:

1)Contact Force=When we play football

Non-Contact Force=When we use magnet to separate iron frrom sulphur

2)

Explanation:

For Que 5

Force=10N

Surface Area=2m^2

Pressure (Pa)=Force (N)/Area (A)

Pressure=10/20 Pa

Pressure=0.5 Pa

Hope you understand it

Answer 2

Answer:

these are gravitational force (weight of a body) , magnetic force. whereas contact force is a force that act on the body by physical coming in contact with it . for example - force of friction, tension force , air resistance force etc.