The force exerted by gravity on a whole brick is greater than theforce exerted by gravity on half a brick. Why, then, doesn’t a wholebrick fall faster than half a brick? Explain.

Q: Why does a child in a wagon seem to fall back when you give the wagon a sharp pull forward? Explain…

A: The law of inertia is another name for Newton's first law of motion. Unless a net external force is…

Q: How much upward force would you have to apply to just support the weight of an average apple of mass…

A:

Q: 9/12 Alice and Bob lift a uniform table of weight 200 N, on which Cart is sitting. The table is 4 m…

A: The net weight of the table and Carl is, W=Wt+Wc=200+800=1000 N The clockwise torque acting on the…

Q: When a car stops suddenly, the passengers tend to move forward relative to their seats. Why? When a…

A: When the car stops suddenly, the inertia of motion changes to inertia of rest and then the…

Q: Why do you feel thrown to the outside when a car in which you are riding goes around a curve, even…

A: Centripetal force is required for an object to move in a circular path .

Q: A person stands on a scale inside an elevator at rest. The scale reads 700 N. a) What is the persons…

A: The figure is shown below:

Q: The greatest acceleration of the center of mass of a baseball bat as shown in figure will be…

A: The linear acceleration of center of mass of basketball is F/m, where F is force and m is mass of…

Q: Walking without slipping requires a static friction force between your feet (or footwear) and the…

A: When we walk without slipping, one of our foot pushes the floor. According to Newton’s 3rd law, the…

Q: The resultant of a force system is the force which can replace the original system with out changing…

A: 1) If we take all the point on a single point then the resultant is a force which can replace the…

Q: • At the local grocery store, you push a 14.5-kg shopping cart. Youstop for a moment to add a bag of…

A:

Q: Two blocks of masses M1 and M2 are connected by a massless string that passes over a massless pulley…

A: Draw the free body diagram for masses M1 and M2 as shown belowFor mass M1

Q: 4. Find the magnitude and direction of the resultant of the coplanar force system shown in Figure *

A:

Q: A person of weight 490 N stands on a scale in an elevator. What will the scale be reading? when the…

A:

Q: In the classic 1950 science-fiction film Rocketship X-M, a spaceship is moving in the vacuum of…

A: Required : Opinion regarding the movie scene.

Q: If you threw a rock straight up, it will come to a stop momentarily at the top of its path.  Is it…

A: No the stone will not be in equilibrium.If the stone was in equilibrium it should remain there at…

Q: 10. What happens with the thrown ball while floating in outer space? A.Goes nowhere, floats in…

A: By Newtons laws of motion, we can describe motion and it's relation with the force. If there is no…

Q: A block with a mass of 6.66 kg is at rest on an inclined surface. The surface makes an angle of…

A: Given information: The mass of the book (m) = 6.66 kg The angle of inclination (θ) = 28.30

Q: Is acceleration directly proportional to mass or inversely proportional to mass? Give an example?

A: According to Newton’s 2nd law of motion, force is represented as directly proportional to the mass…

Q: iome: 4Two spheres with moss aHG Seporated byc distorice,d.exert o force of F Newtons.on each other.…

A: To answer  questions (9)&(10)

Q: A 1,600-kg mid-size car is parked on an inclined road. Because of the weight of the car and its…

A:

Q: Two objects (mı=3kg, m2=5kg) which slides down a frictionless plane having an inclination angle of…

A:

Q: *94. A 5.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The…

A: The frictional force can be given as, Ff=μFNFf=μmg The acceleration can be given as a=μsg

Q: When you are standing on the Earth, your feet exert a force (push) against the surface. Why does the…

A: The force acts here can be described by Newton's third law such that each force has equal and…

Q: **94. A 5.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The…

A:

Q: A person is pushing two boxes placed side by side with each other. What is the acceleration caused…

A: Given: Net force, F net=200.57 N The coefficient of kinetic friction=0.085  Sum of the mass of the…

Q: need to find the tension in between the two masses

A: Using Newtons laws of motion

Q: Recently, the Amazon and Virgin groups launched commercial space flights. These flights do not store…

A:

Q: Q- The system shown in the figure is in equilibrium. Mass of A is 150 Kg. Mass of Bis 70 Kg. Find…

A:

Q: A 0.50-kg cart (#1) is pulled with a 1.0-N force for 1 second; another 0.50 kg cart (#2) is pulled…

A: The mass of cart one and two is 0.50 kg and the force applied on cart 1 is 1.0N, and cart 2 is 2.0N…

Q: F. 32N 9N 18N Fg

A:

Q: A homogeneous cylinder of weight W rests in a straight corner without friction. Determine the…

A:

Q: Suppose you are in a weightless situation (in space with zero gravity) and there are two identical…

A: Scenario: The observer is in space who is in weightless situation. Two sealed identical cans lying…

Q: 7. A 100.0 kg man is standing on a scale in an elevator. The acceleration of the elevator is 3.0…

A: Given data: Mass of the man m =100 kg Acceleration of the elevator a=3 m/s2

Q: A child is flying a large kite of mass 3.7 kg on a windy day. At the moment shown the tension from…

A:

Q: Can a body be in equilibrium , even if only one external force acts on it? Explain.

A: If a body is in equilibrium, then all the forces acting on them should be balanced. It means that if…

Q: A 5.00-kg block is placed on top of a 12.0-kg block that rests on a frictionless table. The…

A: (a) When a force is applied to the more massive block, the net force on the block can be given as,…

Q: Astronauts in orbit are apparently weightless. This means that a clever method of measuring the mass…

A: Given:part (B):The vehicle in which she orbits experiences an equal and opposite force.Now,The force…

Q: Q- The system shown in the figure is in equilibrium. Mass of A is 150 Kg. Mass of B is 70 Kg. Find…

A: Given data: The mass of A is mA=15 kg. The mass of B is mB=70 kg.

Q: A truck with a heavy load has a total mass of 5100 kg. It is climbing a 15∘ incline at a steady 15…

A: Given: Mass of the truck = 5100 Kg The angle of inclination = 150 Velocity of the truck = 15 m/s…

Q: A student is holding a barbell as in the question above, but in this case we do not the barbell is…

A: Given A student is holding a barbell as in the question above

Q: Consider an object of mass m being pushed up a frictionless incline of angle theta by a force F…

A: Solution: Note: force F parallel to the ground (not the incline) means force F is parallel to…

Q: Q14: Examine the diagram of a bear on a pole. The string (T) can hold a total of 900 N. Can the bear…

A: The free-body diagram of the system is shown below.

Q: Is it possible for an object to be in motion and yet have zero netforce acting on it? Explain

A: Sol. Yes this is possible because if the particle is move with constant velocity at that time…

Q: The force of gravity acting on objects on the moon is approximately one-sixth of their value on…

A: Mass will be same on both Earth and moon.

Q: A heavy chandelier with mass 200 kg is hung by chains in equilibrium from the ceiling of a concert…

A: mass (m) = 200 kg θ1 = 26oθ2 = 58o

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!