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WorksheetsImpulse and Momentum I
Total questions: 15
Worksheet time: 11mins
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
The equation to calculate momentum is
p=mv
p=1/2mv2
p=mgh
p=mg
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
car
bike
they are equal
cannot determine using the info provided
In any collision (crash) the ______ is ALWAYS constant
Total Momentum
total speed
total Velocity
Energy
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
0.1 kg-m/s
1 kg-m/s
10 kg-m/s
100 kg-m/s
The impulse is ______ the change in momentum
Greater than
Equal to
less than
always double
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
1 N*s
6 N*s
33.3 N*s
None of these
When the speed of an object is doubled, its momentum
remains unchanged in accord with the conservation of momentum.
doubles
quadruples
decreases
If the change of momentum of an object is 50kg m/s, we can say the impulse is equal to:
0 N*s
25 N*s
50 N*s
100 N*s
An object having a pi of 30kg m/s has ended with a pf of 40 kg m/s. What impulse caused this?
2 N*s
10 N*s
70 N*s
5 N*s
How is force derived?
m.a
m/a
m.v
m.s
A bowling ball whose mass is 4,000.0 g is rolling at a rate of 2.5 m/s. What is its momentum?
11 kg.m/s
10 kg.m/s
1600 kg.m/s
none0.00062 kg.m/s
Momentum is a scalar quantity.
True
False
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
20000 N
20000 Joules
20000 Kg * m/s south
10000 kg * m/s south
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.
55 kg*m/s
100 kg*m/s
250 kg*m/s
500 kg*m/s
