An object moves in a straight line at a constant speed. Is it truethat there must be no forces of any kind acting on this object? Explain how?

Q: A weightlifter raises a barbell with an acceleration of 2 m/s². If the ne A weightlifter raises a…

A: ques: given: a=2 m/s2Fnet=316 N

Q: A barge is pulled by two tugboats. If the tension force in the rope T and T. is 3500 lbs BC AB and…

A:

Q: Determine the net force necessary to give an object with a mass of 3.00 kg an acceleration of 5.00…

A: The expression used to find necessary net force is F=ma

Q: Only one force acts on an object. Can the object have zero acceleration? Can it have zero velocity?…

A: Acceleration of an object due to force   acting on it , is given by :- a = (Fnet)/m If only one…

Q: Find the force acting on a body if the mass equal ( 4.5 kg) and acceleration equal ( 3 m/sce2) * O…

A: According to Newton's second law Force acting on an object is the product of the mass of that object…

Q: An object with a mass of 6.0 kg accelerates 4.0 m/s? when an unknown force is applied to it. What is…

A: Given Data:   m = 6 kg a = 4 m/sec2

Q: Two forces are acting on an object. One is 350 N at N45E. And the other is 400N at N30E. What is the…

A: Draw the diagram of the force-system.

Q: You’ve just kicked a rock, and it is now sliding across the ground about 2 meters in front of you.…

A: Given: You’ve just kicked a rock, and it is now sliding across the ground about 2 meters in front of…

Q: Why must an object at rest have either no force or a minimum of two forces acting on it?

A: Explanation:   1. According to the newton1st law, If the body is in motion it always in motion or…

Q: What is the force necessary for a 1.7 x 103 kg automobile to accelerate forward at 2.0 m/s2?

A:

Q: An object moves in a straight line at a constant speed. Is it true that there must be no forces of…

A: Motion of an object

Q: A 60. kg body has two forces acting on it. A 50. N force forward (0o) and a 40. N force backward…

A: The free-body diagram of the body is shown below. The net force acting on the body can be…

Q: The acceleration of an object is directly proportional to the forces acting on it. O True False

A: By Newton's second law of motion we know that  F=ma (1)

Q: a constant horizontal force is applied toblock A, which pushes against block B with a 20.0 N force…

A:

Q: Find the force acting on a body if the mass equal ( 4.5 kg) and acceleration equal ( 3 m/sce2) * O…

A:

Q: A certain force gives an object of mass m1 an acceleration of 12.0 m/s2 and an object of mass m2 an…

A: Using Newton’s Second Law, the force

Q: 1. A 2.00 kg cart on a frictionless track is pulled by force of 3.00N. What is the net force in the…

A:

Q: An object moves with unchanging speed in a straight line. Does it then have no forces acting on it

A: Given Object is moving at constant speed in a straight line

Q: an object with a mass of 5.0 kg accelerates 8.0 m/s^2 when an unknown force is applied to it. what…

A: From Newton 2nd law we know,  Force(F) = mass(m) × acceleration(a)

Q: A child on a sled (total mass 55 kg) accelerates down a 19 degree incline at 1.73 m/s^2. What is the…

A: mass (m) = 55 kg θ = 19 degreea = - 1.73 m/s2

Q: In a tug-of-war between two athletes, each pulls on the ropewith a force of 200 N. What is the…

A: The movement in the rope is zero since the two athletes pull the rope with the same force in…

Q: As you catch a 0.14-kg ball it accelerates at −320 m>s2and comesto rest in your hand. What force…

A:

Q: alculate the net force needed to accelerate a 200 kg piano 0.25 m/s^2

A:

Q: What is the sum of the net forces acting on an object traveling at a constant rate?

A: If an object is travelling at a constant rate (speed) then it means that its velocity is not…

Q: Only one force acts on an object. Can the object have zero acceleration? Can it have zero velocity?…

A:

Q: A block of mass m = 5.8 kg is pulled up a 0 = 25° incline as in Figure P4.24 with a force of…

A:

Q: What is the net force acting on a car cruising at a constant velocity of 70 km/h (a) on a level road…

A: The velocity of the car,

Q: If the mass of the book is 50 Kg sliding with acceleration 1.2 m/s? then the friction force is O 364…

A:

Q: On a cold winter day, a car tries to get moving on an icy road but does not get anywhere. What…

A: On a cold winter day, a car tries to get moving on an icy road but does not get anywhere.    Concept…

Q: To keep a large crate moving across a rough floor, you push down on it at an angle (theta)= 26°.…

A: Givenangleθ=26°Mass (m)=30 kgCoefficient of kinetic friction =0.31

Q: If an object is moving, is it possible for the net force acting on it to be zero?

A: According to Newton's second law, when a force applied to a system of mass M, it will accelerate.…

Q: If the acceleration of an object is zero, are no forces acting on it? Explain in words

A: Given , Acceleration of an object is zero.   We want to discuss about forces acting on it.

Q: A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the…

A: To determine: The ratio of the magnitude of the normal force to the weight of the car travelling up…

Q: Two forces are acting on a mass of 20.0 kg. One force is to the right at 400.0 N while the other…

A: First we need to calculate the magnitude and direction of the net force. Then we apply Newton's…

Q: Is it possible for an object to be moving in one direction while the net force acting on it is in…

A: The constant velocity bodies do not have any net force on it.

Q: T3 5.) If an object has constant velocity, then there are no forces acting on it. A.) True B.)…

A: The given statement is false. There might be a force acting on an object and still can have constant…

Q: The motion of a very massive object is hardly affected by what would seem to be a substantial force.…

A: Given Mass of the supertanker = 3.0 × 108 kg Force exerted on it = 5.0 × 106  N We have to calculate…

Q: t of mass 40 kg accelerate with the acceleration of 5 m/s^2. Find the net fo

A: We know that the newton's second law of motion is given as  Fnet= ma  where m is the mass of the…

Q: An object with a mass of 2000 g accelerates 8.3 m/s? when an unknown force is applied to it. What is…

A: According to Newton's 2nd Law:   F = ma                                 ...... (1)               (…

Q: A child on a sled (total mass 55 kg) accelerates down a 17.3 degree incline at 1.53 m/s^2. What is…

A: Given data : m=55 kg θ=17.3° a=1.53 m/s2 where, m is the mass of the child θ is the angle, and a is…

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!