What happens to the magnitude of the net gravitational force exerted on the spaceship by the planet as the spaceship travels to the right from Point P (away from the planet)?

The net gravitational force is decreasing

The net gravitational force stays constant

The net gravitational force is increasing

The net gravitational force is increasing at first then gradually decreasing

Which of the following is true about the box being pushed along a ramp with negligible friction (figure 1) versus lifting the box vertically up from ground level to the loading dock platform (Figure 2)?

The amount of work being done is the same in both scenarios

The amount of force being applied is the same for both scenarios

The amount of work being done by vertically lifting the object is greater

The amount of work being done by pushing the object along the ramp is greaer

Which of the following is a correct statement as an object falls freely (without friction) towards the ground?

The potential energy of the ball decreases

The kinetic energy of the ball decreases

The net force acting on the ball increases

The mechanical energy of the ball increases

At what position as shown in the diagram is the 4-kilogram swinging mass at its maximum kinetic energy?

The bottom of its arc at position C

the top of its arc at positions A & D

Just after the bob is released from position A

How are the light bulbs connected in the circuit, and what law supports your response?

The light bulbs are connected in parallel, and Ohm's Law can support this.

The light bulbs are connected in series, and Coulombs law can support this

The ight bulbs are connected in series, and Ohms' Law can support this.

The light bulbs are connected in parallel, and Coulomb's Law can support this

Which of the following is a true statement?

Target B is neither nor accurate

Both targets are precise and accurate

Both targets are precise by not accurate

Target A is neither precise nor accurate

Which equipment would a physics student need to determine how fast a toy car travels on a level horizontal surface?

Stopwatch, balance and meter stick

A student on her way to school walks 4 blocks east, 3 blocks north, and another blocks east, as shown in the diagram. Based on the diagram, which of the following statements is true?

The magnitude of her displacement from home to school is less than the distance she walks

The magnitude of her displacement from home to school is greater than the distance she walks

The magnitude of her displacement from home to school is the same distance she walks

The magnitude of her displacement cannot be determined from the given information

Which of these cars has a displacement South of its initial position?

A car travels North for 5 miles, turns around and travels South for 8 miles

A car travels North for 5 miles, turns around and returns to the starting position

A car travels Sound for 5 miles, turns around and returns to the starting postion

A car travels South for 5 miles, turns around and travels North for 8 miles.

Which of the following statements is true about the player's total distance and displacement after running the drill?

Total displacement is zero and total distance is 120 meters

Both total displacement and total distance is 60 meters

Both total displacement and total distance is 120 meteres

Total displacement is 30 meters and total distance is 60 meters

What is the magnitude of the displacement of and the distance traveled by the school bus from start to end of it's trip?

The magnitude of displacement is 800m and distance is 1800m

The magnitude of the displacement is 400m and the distance is 800m

The magnitude of displacement is 800m and distance 800m

The magnitude of displacement is 1800m and distance 400m

The graph shows the distance from a city versus time for two cars traveling on a level, straight highway. Which statement is true?

Car A is traveling faster than car B.

The cars have the same starting position.

The cars are traveling in the same direction.

Car A and car B have the same speed at 5.5 seconds.

In a real-time motion detector experiment, a student walks away from the detector at a steady pace, then stops, and finally walks back toward the detector quickly. Which statement best describes the position versus time graph?

The graph will show a positive slope, horizontal line, then steep negative slope.

The graph will show a curved line throughout.

The graph will show only a negative slope throughout.

The graph will show a horizontal line followed by a positive slope.

A planet moving in an elliptical orbit around the Sun moves _____.

slower when it is farther from the Sun and faster when it is closer to the Sun

slower when it is closer to the Sun and faster when it is farther from the Sun

Two objects with masses 4.0 x 10 3 kg and 2.0 x 10 4 kg are separated by a distance of 5.0 meters. If the distance is doubled to 10.0 meters, how does the gravitational force change?

The force becomes one-fourth as strong.

The force becomes half as strong.

The force becomes twice as strong.

The force becomes four times as strong.

A satellite orbits Earth at an altitude of 3.6×10 7 meters. If the satellite's altitude is decreased to 1.8×10 7 meters, how will the gravitational force between Earth and the satellite change?

Gravitational force will increase by a factor of 4.

Gravitational force will decrease by a factor of 2.

Gravitational force will increase by a factor of 2.

Gravitational force will decrease by a factor of 4.

The Earth's mass is 5.97 × 10 24 kilograms, the Moon's mass is 7.35 × 10 22 kilograms and the mean distance between the centers of Earth and the Moon is 3.84 × 10 5 kilometers. How do you compare the magnitude of the gravitational force from Earth on the Moon and the gravitational force from the Moon on Earth?

The magnitude of the gravitational force from the Moon on Earth is the same as the magnitude of the gravitational force from Earth on the Moon.

The magnitude of the gravitational force from the Moon on Earth is less than the magnitude of the gravitational force from Earth on the Moon.

The magnitude of the gravitational force from the Moon on Earth is greater than the magnitude of the gravitational force from Earth on the Moon.

There is not enough information to compare the magnitude of gravitational forces.

OnRamps Whole Review Lesson

252 questions

Show all answers

1.

SLIDE QUESTION

30 sec • Ungraded

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the average speed of the car from 2 seconds to 5 seconds?

0 m/s

4 m/s

10 m/s

30 m/s

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The graph above represents the displacement of an object moving in a straight line as a function of time. What was the total distance traveled by the object during the 10-seond time interval?

0 m

8 m

16 m

24 m

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An object moves 5 meters north, then 7 meters south. What is the displacement of the object?

2m North

2m South

12m North

12m South

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rock is dropped from a cliff. If it take 5 seconds for the rock to hit the ground, how high is the cliff?

24m

49m

122.5m

245m

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two stones, A and B, are horizontally from the top of a cliff, Stone A has an initial speed of 10 m/s, Stone B has an initial speed 20 m/s. How would you describe the time it takes for the rocks to reach the ground? Ignore friction.

The time it takes Stone B to reach the ground is the same

The time it takes for Stone B to reach the ground is twice as great

The time it takes Stone B to reach the ground is half as great

The time it takes for Stone B to reach the ground is four times as great

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At the position shown in the diagram, which arrow indicates the direction of the centripetal acceleration of the cart?

A

B

C

D

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OnRamps Whole Review

252 questions

What is the average speed of the car from 2 seconds to 5 seconds?

The graph above represents the displacement of an object moving in a straight line as a function of time. What was the total distance traveled by the object during the 10-seond time interval?

An object moves 5 meters north, then 7 meters south. What is the displacement of the object?

A rock is dropped from a cliff. If it take 5 seconds for the rock to hit the ground, how high is the cliff?

Two stones, A and B, are horizontally from the top of a cliff, Stone A has an initial speed of 10 m/s, Stone B has an initial speed 20 m/s. How would you describe the time it takes for the rocks to reach the ground? Ignore friction.

At the position shown in the diagram, which arrow indicates the direction of the centripetal acceleration of the cart?

What is the magnitude of the acceleration of the block?

What happens to the magnitude of the net gravitational force exerted on the spaceship by the planet as the spaceship travels to the right from Point P (away from the planet)?

How much current flows through the 6-ohm resister?

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