Question

Tick (v) the correct answer (MCQs). (a) Which force is involved in kicking a ball? i. frictional force ii gravity iii. pushing force iv. centrifugal force (b) Pieces of paper are attracted towards a comb rubbed in hair because of. i. gravitation ii. electrostatic force iii. magnetic force iv. centripetal force (c) m/s is the unit of: i. speed ii. velocity iii. acceleration iv. (i) and (ii) both (d) The shortest path between two points is: i. distance ii. displacement iii. length iv. breadth (e) A indicates: i. distance ii. displacement iii. vectors iv. scalars (1) Friction is: i. advantageous ii. disadvantageous iii. both advantageous and disadvantageous iv. neither advantageous nor disadvantageous Differentiate between: (a) speed and velocity (b) speed and acceleration (c) velocity and acceleration (d) vectors and scalars (e) gravity and gravitation (f) distance and displacement Give reasons. (a) A revolving stone tied in a string flies away when the string breaks. (b) A person slips over banana peels. (c) Football players' boots have spikes at their sole. (d) Car wheels slip in mud. (e) Fruits drop down from trees. (f) A body may have negative acceleration but never negative speed. Answer the following questions. finn forre frictional force, speed and uniform velocity.​

Answer 1

Answer:

(a) Pushing force

b. electrostatic force

c. both

d. displacement

e. scalar

Answer 2

circumstances mere hgfaiaiakammakakanaam