WorksheetsIMPULSE
Total questions: 20
Worksheet time: 10mins
The momentum of an object depends upon the object's ___________&_____________.
mass and energy
mass and veloctiy
mass and speed
size and shape
A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.
-2,5
45
10
-18
The impulse-momentum theorem states that
Athe impulse on an object is less than the change in momentum it causes
the impulse on an object is greater than the change in momentum it causes
the impulse on an object is equal to the change in momentum it causes
the force on a moving object is equal to the magnitude of the impulse.
. A 40-kilogram mass is moving across a horizontal surface at 5.0 m/s. What is the magnitude of the net force required to bring the mass to a stop in 8.0 seconds?
1 N
40 N
25 N
5 N
A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?
6030 kg
0,0134 kg
74,4 kg
80 kg
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
None of these
66 N·s
he difference between a car hitting a wall vs. a car hitting a hay stack is
the change in momentum of the car hitting the wall is greater
the force on the car hitting the hay stack is greater
the Impulse on the car hitting the wall is greater
the collision time of the car hitting the hay stack is greater
When the speed of an object is doubled, its momentum...
remains unchanged in accord with the conservation of momentum.
quadruples.
decreases.
doubles.
If two objects have the same mass, then the faster moving object has ____________ momentum.
less
the same
more
None of these
Which takes more force to catch, a bowling ball or a ping pong ball?
bowling ball because it has more momentum
bowling ball because it has less momentum
both require the same amount of force when catching
ping pong ball because it has more momentum
A 5 N force is applied to a 3 kg ball to slow it down from 9 m/s to 3 m/s. What is the impulse on the ball?
-18 N⋅s
-10 N⋅s
-45 N⋅s
-2.5 N⋅s
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
33,3 N⋅s
6 N⋅s
11,1 N⋅s
How can a tennis ball and a bowling ball have the same momentum?
one is moving backwards
have the same speed
they can't
have different speeds
An insect applies 1.5 N of force to a windshield of a moving car. How much force does the windshield apply to the insect?
Not enough information
0.5 N
1.5 N
15,000 N
Which has more momentum?
A moving car
A parked semi truck
they have the same amount of momentum
Which has more momentum?
A bus stopped at a stop sign
A bus barreling down the road (v = 10 m/s)
A hummingbird zipping down the street (v = 1 m/s)
A hummingbird hovering at a feeder
A bicycle has a momentum of 24 kg•m/s. What momentum would the bicycle have if it had twice the mass and was moving at the same speed?
4x the momentum; 96 kg*m/s
twice the momentum; 48 kg*m/s
1/2 the momentum; 12 kg*m/s
1/4 the momentum; 6 kg*m/s
A bicycle has a momentum of 24 kg•m/s. What momentum would the bicycle have if it had the same mass and was moving with one-half the speed?
4x the momentum; 96 kg*m/s
1/4 the momentum; 6 kg*m/s
1/2 the momentum; 12 kg*m/s
twice the momentum; 48 kg*m/s
A bicycle has a momentum of 24 kg•m/s. What momentum would the bicycle have if it had the twice the mass and was moving with twice the speed?
1/2 the momentum; 12 kg*m/s
4x the momentum; 96 kg*m/s
1/4 the momentum; 6 kg*m/s
twice the momentum; 48 kg*m/s
A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?
32 m/s
8 m/s
0.125 m/s
18 m/s
