Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes a

1.	Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes are fitted on an inclined plane for pushing up heavy loads. (c) We should take care of machines. (d) We should use a pulley to draw water from a well.
Answer» Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes are fitted on an inclined plane for pushing up heavy loads. (c) We should take care of machines. (d) We should use a pulley to draw water from a well.

Give reasons why : (a) Travelling bags have wheels. (b) Iron pipes are fitted on an inclined plane for pushing up heavy loads. (c) We should take care of machines. (d) We should use a pulley to draw water from a well.

Answer»

Give reasons why :

(a) Travelling bags have wheels.

(b) Iron pipes are fitted on an inclined plane for pushing up heavy loads.

(d) We should use a pulley to draw water from a well.