Question

Worksheet
Tick() the correct options:
Applying grease to the hinges of a door,
on which surface will a toy car, pushed with the same force, travel the farthest?
(b) sand O () grass 0 (d) cloth
(a) glass
2.
00
8
8
(a) increases friction
(b) increases force
(c) decreases friction
(d) decreases force
3. Ball bearings are used to
(a) increase friction
(b) increase sound
(c) decrease friction
(d) decrease weight
A car is moving towards north-east direction. The force of friction is acting towards
direction.
(a) north-east
(b) north-west o (c) south-east o (d) south-west
Circle the odd ones. Give reasons for your choice:
lubricants
polishing
streamlining making grooves
static friction
limiting friction rolling friction kinetic friction
fish
speed boat
insect
Fill in the blanks:
Rolling friction is
than the sliding friction.
friction.
2. We make grooves in the tyres of bicycles to
which holds screws and nails in the wood.
1.
2.
3. bird
1.​

Answer 1

1. (a) glass

2. QUESTION IS NOT CLEAR

3. (c) decrease friction

4. (d) south west

NEXT QUESTIONS ARE NOT CLEAR

Fill in the blanks

Rolling friction is less than sliding friction.

We make grooves in tyres of bicycles to increase friction.

Friction holds screws and nails in the wood

Next questions are not clear.

Answer 2

Answer:

hey buddy answer is

1) ( a) glass

3) (c) decrease friction

4) (d) south west

Explanation:

hey buddy hope it's help you