Question

If a body moves on the sandy surface its motion will be
i. Increase ii. decrease
iii. neither increase nor decrease iv. none of these​

Answer 1

Explanation:

Pattern: Problem involving forces and its effect when applied at some angle.

Description: Force, in mechanics is any action that tends to maintain or alter the motion of a body or to distort it.

Question can be asked

To calculate force and thrust.

To calculate the net effect of force applied at some angle

Pattern: Problem based on the calculation of tension in string or rope and spring forces generated by spring.

Description: Tension and spring force are beneficiary to understand the concept of transfer of force between the bodies.

Pattern: Problem based on conservation of momentum

Description: Conservation of momentum is mostly used for describing collisions between objects and to calculate impulse and forces.