Question

1. Arrange the items in order of increasing inertia.
Bicycle, bus, train, car, scooter
ich has highest inertia: solid made of aluminium, steel and wood of
same shape and volume?
ball is moving over a horizontal surface with a constant velocity. What
type of forces are acting on the ball?
4. State the effect of force in each of the following cases.
i) A spring is stretched -
ii) A hockey player hits an incoming ball -
iii) A football lying on the ground is kicked -
5. An object of mass 2kg is sliding with a constant velocity of 4 ms on a
frictionless horizontal table. The force required to keep the object moving
with the same velocity is
a) 32 N
b) ON
c)2N
d) 8N
6. A motorcycle of mass of 2000 kg is moving over a horizontal road, with
uniform velocity. If this motorcycle has to be stopped with negative
acceleration of 1.5 ms, then what is the force of friction between the tyres
of the motorcycle and the road.​

Answer 1

Answer:

bicycle scooter car bus train

Answer 2

Answer:

frictional force is acting on the ball

5.c)2N