Question

ect to the
fluid
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ASSESSMENT 12
sand paper
4. Tick the correct option.
1. Friction can be reduced by using
ball bearings
grooved tyres
grinding stone
2. Friction between two sliding surfaces is called
sliding friction
rolling friction static friction
fluid friction
3. Static friction is greater than
rolling friction sliding friction both of these none of these
4. A device used to measure force applied on an object is
barometer
spring balance manometer
thermometer
5. Soles of the shoes of athletes are provided with spikes to
increase friction prevent skidding prevent slipping all of these
6. Burning of a meteor when it enters the Earth's atmosphere is due to
gravitational force
magnetic force
electrical fo​

Answer 1

Answer:

don't know brother

Explanation:

try it yourself