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Newton's Laws
Problems
Forces
Miscellaneous
Momentum
100
An object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an outside force. What law
What is Newton's 1st law of inertia
100
Acceleration due to gravity is
What is 9.8 m/s/s
100
The upward force exerted on an object falling through air is ________________
What is air resistance
100
Gravity is one of the basic______ forces. 2,3,4,5 ( choose one)
What is four
100
Momentum depends on what 2 variables?
What is mass and veloicy
200
To every action there is an equal and opposite reaction is what law
What is Newton's 3rd Law
200
calculate the force of an object with a mass of 12 kg and an acceleration of 4 m/s?
What 48 N
200
When an object moves in a circular path, it accelerates toward the center of the circle as a result of ____________________
What is centripetal force.
200
A car rounding a curve is subject to ____ force a. rolling b. static c. centripetal d. riding
What is centripetal
200
A real car moving at 10 km/h has more momentum than a toy car moving at the same rate because ____
What is its mass is greater.
300
If a 300-N action force is exerted to the right, the reaction force will be _____________
What is 300 N
300
Calculate the acceleraton of a 25 kg object that is moved with a force of 300 N
What is 12 m/s/s
300
A feather will fall more slowing through air than a brick because of _______________
What is air resistance.
300
The international space station is a ______satellite. a. natural b. lunar c. directional d. artifical
What is artificial
300
What does p stand for in p = mXv
What is momentum
400
F = m X a What law is this
What is Newton's 2nd law
400
What is the mass of an object that is accelerating at 10 m/s/s when a force of 200N is applied?
What is 20 kg
400
The amount of gravitational force between objects depends on their _____________ and ___________
What is masses and distances between them
400
The path of a projectile is ____ a. straight b. always vertical c. always horizontal d. curved
What is curved
400
Momentum is expressed in units of a. kg X m b. kg X m/s c. N d. m/s2
What is kgXm/s
500
If a rock has a mass of 100 kg what does it weigh in Newtons on planet earth? a= 9.8 m/s2
What is 980 N
500
What is the velocity of an object with a mass of 25 kg and a momentum of 250 kg X m/s?
What is 10 m/s
500
Friction between the tire of a moving car and the dry pavement is ____________ friction
What is rolling
500
An object that is in freefall seems to be ______ a. weightless b. slowed by air resistance c. speeded up by air resistance d. not moving
What is weightless
500
What is the mass of an object that has a momentum of 300 kg X m/s and a velocity of 25 m/s?
What is 12 kg