Question

Choose the correct answer for each of the following. a. Force can i. stop a moving body ii. change the shape of a body iii. change the direction of a moving body iv. all of these b. Which among the following is an example of a contact force? i Friction ii. Gravitation iii. Magnetic iv. Electrostatic c. Identify the non-contact force that would best suit in lifting iron nails. i. Magnetic ii. Gravitational iii. Electrostatic iv. Muscular d. If two forces of 10 N each are acting along the same direction then the resultant force will be i. 10 N ii. 20 N ii. ON iv. 100 N e. Sliding friction is a type of i. Static friction il. Limiting friction iii. Kinetic friction iv. Rolling friction f. Which among the following is not always a disadvantage of friction? i. Friction heats up parts of machines ii. Friction produces wear and tear iii. Friction decreases the speed of a moving vehicle iv. Friction makes movement difficult​

Answer 1

Answer:

a .iv

b.i

c.i

d.ii

e.iii

f.iii