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WorksheetsReview (Q9)
Total questions: 15
Worksheet time: 5mins
Which object listed below has the greatest momentum?
A 0.05 kg object rolling at 0.2 m/s.
A 0.15 kg object rolling at 2 m/s.
A 0.15 kg object rolling at 1 m/s
A 0.4 kg object rolling at 2 m/s.
Which of the following best describes the momentum of an object?
Mass in motion
Two objects hit each other
Effect of imbalance force in the object
Motion of an object in two dimensions
Cart A is pulled with a 2 Newton force for 2 seconds, and Cart B is pulled with a 1 Newton force for
3 seconds. Which cart experienced the greatest impulse?
Cart A
Cart B
they are the same
neither Cart A nor Cart B
If two tennis balls are moving towards each other at the same speed what do you expect to observe (see)?
Both balls stop moving
One tennis ball will stop and the other will keep moving
One tennis ball will jump over the other ball
Both balls bounce off each other
Which of the following is NOT an example of collision?
The car bump to a lamp post
Bouncing of a ball
Riding a motorcycle without a helmet
Slapping someone’s face
In any collision (crash) the ______ is ALWAYS constant.
Total Momentum
total Velocity
total speed
Energy
A 430-kg tricycle traveling at 50 m/s slows down to 20 m/s in 5 s as it approaches a road intersection.
What is the initial momentum of the tricycle?
21,000 kgm/s
21, 500 kgm/s
22, 000 kgm/s
22,500 kgm/s
A 430-kg tricycle traveling at 50 m/s slows down to 20 m/s in 5 s as it approaches a road intersection.
What is the final momentum of the tricycle?
7,860 kgm/s
8, 560 kgm/s
8,600 kgm/s
9,000 kgm/s
A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?
74.4 kg
0.0134
6030 kg
679 kg
Which object has the greater momentum?
An elephant standing in a field
A skateboard moving
A train resting in the rail yard
A boy sitting in a chair
The acceleration during the whole trip, on the vertical component, is always____________.
9.8 m/s^2
8.9 m/s^2
10 m/s^2
6 m/s^2
The total momentum of two objects before a collision is 450 kgm/s. What will their total momentum be after the collision?
0 kgm/s
350 kgm/s
175 kgm/s
450 kgm/s
When an inelastic material is in a collision,
the work done to deform the material is equal to the work done to return the material to its original shape
the work done to deform the material is equal to the work the material does to other objects in the collision
the work done to deform the material is equal to the increase in the system’s total kinetic energy
some of the work done to deform the material is converted to other forms of energy
The path followed by a projectile flying or an object moving under the action of given forces.
Projectile
Trajectory
Range
Angle
A steel ball is rolled horizontally off a high platform at 12.0 m/s. It falls and hits the ground 18.0 m below.
1.92 s
23.0 s
19. 23 s
1 s
