WorksheetsIMPULSE AND IMPULSIVE FORCE
Total questions: 5
Worksheet time: 5mins
Name
Class
Date
1.
Impulse is ?
a)
The change in momentum
b)
The rate of force acting
c)
The rate of change in momentum
d)
The change in inertia
2.
Impulsive force is ?
a)
The change in velocity
b)
The change in acceleration
c)
The rate of change in momentum
d)
The rate of change in inertia
3.
The symbol and unit for impulse are
a)
J and N/s
b)
F and N
c)
J and N s
d)
W and N s
4.
A boy kick a stationary ball of mass 0.15 kg. The ball moves forward at a velocity of 60 ms^-1 and the time of impact between the boy’s foot and the ball is 5 ms. What is the impulsive force?
a)
1.8 N
b)
180 N
c)
9 N
d)
1800 N
5.
Find the impulse exerted on a 0.2 kg ball when it is hit with velocity 20 m/s and rebounds with velocity 40 m/s after 0.01s .
a)
-12 N
b)
-12 N s
c)
12 N s
d)
12 N
100 %
