Your physics book is at rest on a table as shown, there’s a weight force and a normal force acting on the book. What is the “agent” which exerts the weight force? What is the “agent” which exerts the normal force? A. the table B. the normal force C. the weight force D. the earth E. the book

Q: A satellite is in orbit around the earth. Which one feels the greater force? A. the earth because…

A: Given data: Satellite moving in orbit around the earth

Q: Re)action. Which of the examples may be explained using Newton's 3rd law? I. You pushing on the…

A: Newton's Third law explain that for every action in nature there is an equal and opposite reaction.…

Q: Object feels weightless because ?    A. Gravity is not acting on the object , B. Gravity does not…

A:

Q: which of these is an inertial ref. frame? a. your bedroom b. a car rolling down a steep hill c. a…

A: Answer              a. your bedroom             c. a train coasting along a level track…

Q: Calculate the force that a 5 kg block exerts as it rests on the Earth's surface. Assume the…

A: Mass (m) = 5 kg gravitational acceleration (g) = 9.8 m/s2

Q: What happens to the force of gravitational attraction between two small objects if the mass of each…

A: Every object in the universe attracts each other. Earth attracts all other objects on its surface…

Q: In Law of Universal Gravitation, what is the UNIT of the gravitational constant, G? A. N2-m2/Kg2 A.…

A:

Q: Terminal velocity can be described as the maximum speed an object can travel falling towards earth.…

A: We are asked about the definition of terminal velocity.

Q: While standing on a scale, you are riding in an elevator that is accelerating upward. The reading on…

A:

Q: Which of the following examples would best be solved using Newton’s Third Law a. A car cruising at…

A: According to Newton's third law For every action there is an equal and opposite reaction

Q: Dimples (indentations) on a golf ball decrease which of the following types of drag? A. Surface B.…

A:

Q: A 150g baseball is thrown with a speed of 40 mls. It is hit straight back towards the piłcher at a…

A: Given data: Mass (m) = 150 g = 0.150 g Initial velocity of ball (v0) = 40 m/s Final velocity of ball…

Q: A man gets inside an elevator. Which of the following statements about the ma apparent weight is/are…

A: N = apparent weight, m =mass of man, g = acceleration due to gravity. , a = acceleration of lift. N…

Q: The gravitational force between an apple and earth is ? A. equal and directed away from each other…

A:

Q: 22. Which is needed to determine the amount of gravitational force between two obje A. Distance and…

A: Answer: (22) Option (A) is correct. Gravitational force F=GMmr2 Where r = distance between to mass m…

Q: A 62-kg skier speeds down a trail, as shown in the figure. The surface is smooth and inclined at an…

A: a) Free body diagram of the Skier:

Q: 1. Newton's Law of gravitation is what we call as what? a. Newton' Law of Acceleration b. Newtons'…

A:

Q: Which of the following scenarios demonstrates Newton's 2nd Law? A. A planet exerts an attractive…

A: Answer- (B) A box sliding on the floor slowly comes to a rest due to friction.

Q: A  can is resting on a table. What is the reaction force to the weight of the can? Explain why. A.…

A: Force brings about motion and changes in it. When an object rests on a surface it exerts a force on…

Q: An object's weight vector always points no matter how the abject is moving

A: weight of an object , W= mg where m= mass of the body g= acceleration due to gravity the direction…

Q: What is true about the mass of an astronaut on Earth and in space if an object has a mass of 50 kg?…

A: The weight is the quantity which changes with respect to the gravitational force. If it is on earth…

Q: An example of a force which acts at a distance is O tension O weight. O static friction. O kinetic…

A: Non Contact Force:- A force which acts at a distance is called non contact force.        It is the…

Q: When a man is standing on a scale in an elevator that is accelerating upward, the scale reading will…

A: When a man is standing on a scale in an elevator that is acceleration upward , the scale reading…

Q: 55. An astronaut has a mass of 80 kg. How much would the astronaut weigh on Mars where surface ity…

A: Mass of astronaut (m) = 80 kg Acceleration due to gravity on earth (g) = 9.8 ms2

Q: How do we know that the rock also exerts a force on the Earth as it plummets to the ground? b)…

A:

Q: Which among the following statements is CORRECT? A.) An object's mass is different on the Moon than…

A: (A) Mass is defined as the amount of matter present in the object. Mass is a fixed quantity. Thus,…

Q: Newton’s second principle states that: The acceleration of a particle is directly…

A:

Q: Select all the correct statements about free fall. You must select all correct choices to count it…

A: Introduction: In nature, different motions of the object can be observed. Each motion of the object…

Q: 10. A single force is applied to each of two carts on frictionless surfaces. The graphs below show…

A: F =m * a  ...........................(i) here, m =mass, F = force , a= acceleration and y…

Q: 5. A small rock (m-3 kg) and a car (m-1000 kg) stay still on flat ground. Draw a force diagram for…

A: SOlution: given that mass of rock m= 3 kg mass of car M = 1000 kg

Q: Which of the following statements best describes the relationship between weight and the normal…

A: Given data:  A object rest on a horizontal surface Required: The relationship between the weight and…

Q: A skier stands at the top of a 25 degree snowy slope. The coefficient of friction between the skis…

A:

Q: Which of the following holds true regarding gravity EXCEPT? * A.Gravity is one of the universal…

A: The gravitational force  is given by; F=GMmr2 Where; G is the gravitational constant M is the mass…

Q: A football player kicks a football with a force of 400 N, north direction. The football hits the…

A: Given : Force by which football player kicks the football = 400 N

Q: Objects feel weightlessness because   A. weightlessness is the force of gravity acting on the…

A: Given:- Objects feel weightlessness because Find:- which is correct  a)weightlessness is the force…

Q: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

A: The law that states that net force must be equal to zero for a body to be at rest or in the state of…

Q: You are on a rollercoaster going through the highest point in a vertical loop. Which direction is…

A: When we are on a rollercoaster going through the highest point in a vertical loop. We have to…

Q: A skier is gliding down a slope. Match the answers with questions based on the Figure 4.11. a h C d…

A:

Q: Block A (mass = 10 kg) is at rest on the surface of a table. Block B (mass = 2 kg) is at rest on top…

A:

Q: The mass of an object is a measure of its __________. a. inertia b. energy c. force d. gravity

A: The mass of object is a measure of its inertia.

Q: What happens to the force of gravitational attraction between two small objects if the mass of each…

A:

Q: erson A with a mass of 100 kg weighs nearly thrice as much on Earth as on Planet Mercury. What can…

A: Given data:  Mass (m) = 100 kg Weight on earth (We) = 3Wm Required: The relationship between…

Q: You hold a book at rest in your hand. What is the “reaction force” to the weight of the book? a)…

A: The man is holding a book at rest in hand. In this question we have to find the reaction force to…

Q: Which of the following is incorrect regarding Inertia? A. An object would not have inertia in a…

A: Inertia is the tendency of an object to oppose the changes in its position of rest or if it is…

Q: Equilibrium is when net force acts on an object is zero. Following are the examples of equilibrium.…

A: Ir Fnet is zero it is in equilibrium

Q: Astronauts in orbit feel weightlessness because, choose all that apply.   A. astronauts in orbit…

A: SOlution: why Astronauts in orbit feel weightlessness

Q: 16. When does the net force on an object increase? a. When At increases b. When Ap decreases c. When…

A: Net force on object is equal to rate of change of linear momentum .  Fnet = ∆P/∆t    Fnet  ∝ ∆P…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!