(b) mass (d) longitudinal force3. A body is said to be under balanced forces when the resultant force applied on that body is :1. The strength of force is expressed by :(a) weight(c) magnitude2. Leaves or fruits fall on the ground due to:(a) magnetic force(c) electrostatic force(b) gravitational force(d) muscular force(a) zero(b) infinite(c) one(d) none of these4. As we go to the higher altitude, the atmospheric pressure :(a) decreases(b) increases(c) remains same(d) cannot say5. The force which is being applied by a vendor when he is pushing the pushcart:(a) muscular force(b) magnetic force(c) frictional force(d) electrostatic force6. When the driver applies brakes, the speed of the car :(a) increases(b) decreases(c) no change(d) change in direction7. Two objects repel each other. This repulsion could be due to:(a) frictional force only(b) electrostatic force only(c) magnetic force only(d) either a magnetic or an electrostatic forcePressure exerted by liquids at the bottom depends on:(a) height of the liquid column(b) shape of the column(c) shape of the container(d) none of these​