Question

1. Fill in the blanks.
a) A
happens when two objects interact.
b)
surfaces cause more friction than the smooth ones.
c) A spring returns to its natural length because of
force.
d)
is the force that makes things fall on earth.
e) Kinetic energy is the energy of the
things.
0 Solar panels convert heat and light from the sun into
8) A
uses a rope moving around the edge of a wheel to lift heavy objects,
h) A road up a hill is the example of an
plane.
1) The point on which a lever is supported is called the
D) In a first class lever, the
is in the centre.​

Answer 1

Answer:

b) rough

c) elastic

d) gravitational

e) frictional

0) electric energy