Your friend sits at rest on a chair. Can you say that no force acts on her? Or is it correct to say that no net force acts on her? Defend your answer?

Q: A man pushes on a brick wall. With what amount of force does the wall push back on the man? a…

A: 1) a man pushes on a brick wall Let the force exerted by the man on the brick wall = F

Q: In order to slide a heavy cabinet across the floor at constant speed,you exert a horizontal force of…

A: In the given case the force of friction between the cabinet and the floor is equal to 600 N.

Q: In order to slide a heavy cabinet across the floor at constant speed, you exert a horizontal force…

A: Since the body is moving with constant velocity there is no net force acting on the body. Since the…

Q: What will happen to a moving object when an unbalanced force acts on it?

A: A moving object may have a constant velocity or a varying velocity.

Q: Consider a vertically launched projectile when air drag is negligible. When is the acceleration due…

A: When a projectile is launched vertically, it is only acted upon by gravity since air drag is…

Q: Which would require a greater force - accelerating a 2 kg mass at 5 m/s² or a 4 kg mass at 2 m/s??

A:

Q: Suppose that you jounce up and down while weighing yourself on a bathroom scale. Which varies: the…

A: If a person is jouncing up and down while weighing yourself on a bathroom scale the normal force…

Q: an astronaut on the moon lifts a rock over his head and than drops it. Discuss what force acts on…

A:

Q: An unfortunate bug splatters on the windshield of a truck. Which of the two exerts more force on…

A:

Q: accelerates from rest to a speed of 15 m/s in 5.0 seconds? A man weighs 900 newtons standing on a…

A:

Q: The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. Why then doesn’t the…

A:

Q: Can you physically touch a person without that person touching you with the same amount of force?

A: The third law of Newton’s read as for each and every action you perform there is an equal (in…

Q: A simple rearrangement of Newton’s second law gives fnet 5 ma. Show that a net force of 84 N exerted…

A:

Q: A boxer can hit a heavy bag with great force. Why can't he hit a piece of tissue paper in midair…

A:

Q: Which has a greater force: a semi-truck at rest OR a moving bicycle? O Bicycle O Semi-truck O…

A: The mathematical relationship for force is given by the second law of motion as, F = m x a Here, m…

Q: When a heavy football player and a light one run into each other, who exerts more force?

A: Newton's law of equation of motion states that the external force exerted by any object on the other…

Q: What will happen to an object at rest when an unbalanced force acts on it?

A: According to Newtons 1st law, if a object is at rest or in uniform motion will remain in rest or in…

Q: . Since a bucket of water is “weightless” in space, would it hurt tokick the bucket? Explain.

A: A bucket in space

Q: Forces of 3.0 N and 4.0 N act at right angles on a block of mass 2.0 kg. Show that the acceleration…

A:

Q: As you increase your push, will friction on an object also increaes?

A: The force of friction is defined as the force that opposes the motion of an object. It is a force…

Q: Would the springs inside a bathroom scale be more compressed or less compressed if you weighed…

A: Part A If the lift is moving upward with constant velocity, the net acceleration is zero. Which…

Q: When you push a cart, it moves. When you stop pushing, it comes to rest. Does this violate newton's…

A: The law of inertia says:Every object continues in its state of rest, or of uniform motion in a…

Q: When you push downward on a book at rest on a table, you feel an upward force. Does this force…

A: The situation is , a book at rest is pushed downwards.

Q: Discuss whether an object can be moving if the net force is acting on the object is zero.

A:

Q: What is the net force acting on a freely falling object? Essay.

A:

Q: What is the resultant of a pair of 1-pound forces at right angles to each other?

A: Given:Two forces of magnitude 1 pound.Angle between the forces = 90o

Q: When the girl holds the rock with as much force upward as gravity pulls downward, the net force on…

A: Here, it is mentioned that the girl is holding a rock. The upward force that a girl exerts on rock…

Q: When you stand on two bathroom scales where your weight is equally distributed between each scale.…

A: For rest situation net force (F)= 0 Forces from the both scales cancel the weight.

Q: What to do if I need more force to launch my ping pong ball further

A: To move the ball farther we need its velocity to be high. In order to produce greater initial…

Q: Does frictional force depend on mass?

A: Friction is a force that opposes the relative motion of a body..Frictional force depends upon the…

Q: Your empty hand is not hurt when it bangs lightly against a wall. Why does it hurt if you are…

A: From newton's 2nd law we have,

Q: A boat moving with a velocity of 10m/s, towards west is acted upon by a pair of balanced forces.…

A: According to newton's first law of motion, an object at rest stays at rest and an object in motion…

Q: The mass of an object is O egal to its weight in deep pace Ovonfetimes egil to its wght Onever eqal…

A: Mass of object is defined as the quantity of matter of a physical body

Q: What is the relationship of the hanging mass to the acceleration of the cart? to time of travel?

A: Acceleration  It states that the ratio of velocity to the time of the object Tension Tension is a…

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!