Question

which of the following is an example of a lever
a. knife
b. ramp
c. pencil sharpener
d.wheelbarrow

Answer 1

A

Answer 2

can you help me with more questions

Answer 3

sure

Answer 4

which of the following is part of a vacuum
a.inclined plane
b.block and tackle
c. wedge
d.lever

Answer 5

lever

Answer 6

but im not sure

Answer 7

which of the following describes what happens to the force win a car jerks increase the distance over which the force is exerted.
a.force will be decrased
b.force will be increased
c.force will be unchanged
d.force will depend on the mass of the object

Answer 8

im not sure on this one

Answer 9

ok

Answer 10

when the distance of a ramp is increased how is effort force affected
a.force is increased
b.force is unchanged
c.force is decrased
d.force is dependent of the mass of the object

Answer 11

force is decreased

Answer 12

ok

Answer 13

which of the following is a compound machine
a.pry bar
b.water faucet handle sliding door
c.sliding door
d.toothbrush

Answer 14

a or c

Answer 15

I think it a

Answer 16

what do you think

Answer 17

i think so too

Answer 18

which of the following is a compound machine a.pry bar b.ramp c.car d.jar lid

Answer 19

C. car

Answer 20

which of the following is contained in a pull start lawnmower
a.a pulley and a wheel and axle
b.a wheel and axle and an inclined plane
c.a pulley and a wedge
d.a wheel and axle and a block and tackle

Answer 21

C

Answer 22

which of the following is contained in a shovel
a.inclined plane and a wedge
b.wedge and lever
c.wedge and pulley
d.pulley and inclined plane

Answer 23

A