Question

1.Gravity is the property of ……………..

earth aboveevery objectmoon abovenone

2.………………… is an example for non-contact force

Magnetic forceFrictional forceRolling ballnone

3.The ball rolling on the ground is an example of ………………

gravitational forcenon-contact forcecontact forcenone

4.Force changes ……………… of an object

volumespeeddensity

Answer 1

1. earth above every object
2.magnetic force
3.contact force
4.density