Question

1. Something that makes a job easier is :
(b) a simple machine
(a) a machine
(d) work
(C) a compound machine
2. A combination of simple machines is called :
(a) a machine
(b) a simple machine
(C) a compound machine
(d) work
3. Which helps in change the direction, speed or force of the movement :
(a) a gear
(b) a wedge
(C) an incline plane
(d) a screw
4.Force multiplication means :
(a) more force is required to lift heavy load
(b) less force is req
(C) increasing work required to lift heavy load
(d) none of these​

Answer 1

Answer:

1. a

2. c

3. a

4. c

hope it helps :)

Answer 2

Explanation:

a

c

a

c

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