Question

B. Fill in the blanks.
(forcelenen
F«20N
Bullocks pulling a cart
We know that R-F,+F,
(in the same direction)
60 N
R-60N +60
0
1. The state of rest or motion of an object can be changed by applying
They ar
2. A force can change the
and
(1) Musa
of an object (colour/sizelshan
3. When we kick a moving football, its
changes. (mass/direction of motie
(ii) Mechanic
4. Force is represented with alan
(straight linelarne
(iii) Frictional for
(1) Muscular Force
RESULTANT FORCE
Example: Two forces are acting on
the muscles of a
is called muscular fo
When two or more forces act on an object
wooden box in the opposite directies
a push or a pull. We use
in the same direction, the resultant force
as shown in the figure given bele
during walking, running
Calculate the resultant force and
is the sum of the forces.
direction
Example: Two bullocks pull a cart each
by a force of 60 N. Calculate the resultant
force.
ord
zero. It
Two opposite forces acting on a wooden fer
Solution: We know that
R=F,-F ( F.>F)
Here, F, = 20 N and F, = 50 N
R - 50 N - 20 N
Hence, R = 30 N (in the direct
Balanced Forces
When two equal
the opposite
pushing and lifting objects
Animals use muscular force to do
works like pulling a cart, ploughing a
carrying heavy loads​

Answer 1

Answer:

xnfkw'qoqoqpxmnuc' njnindrhjnk. nine just