Question

1. A hill road is an example of....
2. The SI unit of force is ....
3. The force of friction between two surfaces can be reduced by..............them
4. Deep grooves in the tyres of tractor..... ... friction.
5. Force of friction reduces ...... ..of moving body.
6. Force of friction can be ...
by making surface rough.
7. The handle of a water pump acts as a ..........
.. machine.
8. The resistance overcome by a machine is called ..
9. A machine may simply change the..............of applied force.
10. A fishing road is an example of a lever of ..........order.​

Answer 1

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• A hill road is an example of land form
• The SI unit of force is Newton
• The force of friction between two surfaces can be reduced by lubricants

• Force of friction can be motion

Answer 2

Answer:

1 slope

2 newton

3 ball barring

4 increases

5 speed

6 friction

7 motor

Answer 3

Answer:

1 slope

2 newton

3 ball barring

4 increases

5 speed

6 friction

7 motor