
UNIT 3 TEST: PLANETARY MOTION
Quiz by Daryl Cadanilla
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Which of Newton's laws of motion explains why we need to wear seat belts in cars?
Object A and B both have a mass of 10kg. If the velocity of object B is doubled compared to object A, then its momentum will be __________ as much.
What is the net force acting on this object?

A track star jogs exactly two laps around the track. Each lap is 400 m. What is the track star's displacement?Â
An object's resistance to any change in motion is known as what?
How much does a pencil with a mass of 0.045 kg weigh?

An object in motion will stay in motion, unless __________________.
Newton's law of universal gravitation states that every mass in the universe attracts every other mass in the universe. According to this, what two things affect how much gravitational force is between two object?Â
The beach is 750 miles away. If the speed limit is 75 mph, how much time will take to get to the beach?

A car cruises at a constant speed on a circular track. Is the car accelerating?
Describe the motion in segment C in distant-time graph.

Describe the motion in segment B in velocity-time graph.

Which of the following is an example of vector quantity?
Sally has a mass of 24 kg and her brother has a mass of 16 kg. They are both in a 20 kg wagon that is moving with a speed of 2.3 m/s. What is the momentum of the wagon and the children in it?Â
Kepler's Third Law describes the relationship between the time period of a planet's orbit and its distance from the Sun. What is this relationship?
According to the Law of Universal Gravitation, the force of gravity between two objects depends on which of the following?
Which of the following statements is incorrect?
Which of the following statements about motion graphs is true?
If the mass of an object doubles while the net force acting on it remains constant, what happens to the acceleration of the object according to Newton's Second Law of Motion?
 The closer a planet is to the orbiting body (like a moon or another planet), the slower it generally travels in its orbit due to the stronger gravitational pull exerted by the object it is orbiting.