Physics question and answers for June 18, 2024
- Q inclination 30 The friction coefficient between the block of mass 2 0 kg and the incline is ows two blocks in contact sliding down an inclined surface of 0 20...
- Q At what height should a rope of length x be tied to a long vertical pole so that a person standing on the ground can pull down the pole by...
- Q 5 A 40 kg slab rests on a frictionless floor A 10 kg block rests on top of the slab The coefficient kinetic friction between the block and the slab...
- Q 43 Two blocks A of 6 kg and B of 4 kg are placed in contact with each other as shown in Fig 7 291 F Smooth A 6 kg...
- Q 5 A standing sound wave in a pipe has displacement nodes and five antinodes The harmonic number of vibrations is 1 3 3 5 2 4 4 9 boook you...
- Q A block of mass 20kg is placed on a rough horizontal plane and a horizontal force of 12N is applied If coefficient of friction is 0 1 the frictional force...
- Q In which of the following cases frictional force is impulsive A C 0 0 M v 0 m B D H 0 All of these V O
- Q IF 0 4 01 1777 7 kg 35 kg F H 77 FA 7 If a force F of 100 N is applied to block of ma 7 kg then...
- Q When a body of mass 120 g resting on a horizontal plane is pulled by a rope inclined at an angle 30 with the horizontal it acquires a velocity of...
- Q 2 In the given figures find the accelerations and the friction forces involved u 0 5kg A U 0 5 5kg A F 15N i p 0 5 10kg B...
- Q 46 A uniform chain is placed at rest on a rough surface of base length and height h on an irregular surface as shown in Fig 7 294 Then the...
- Q 2 A conveyor belt is moving at a constant speed of 2 m s A box is gently dropped on it The coefficient of friction between them is 0 5...
- Q block of mass 100 kg lying steady on the horizontal surface of a table needs 20 N horizontal force to come into motion What is the coefficient of static friction...
- Q One end of a uniform ladder rests against a smooth ver tical wall and the other end is on rough ground A man of 80 kg weight stands on the...
- Q 3 A block of mass m 10 kg rests on a horizontal table The coefficient of friction between the block and the table is 0 05 When hit by a...
- Q Which of the following equations represents the motion of a body moving with constant finite acceleration in these equations y denote the displacement in time t and p q and...
- Q Q Example 6 A block of mass 1 kg is pushed against a rough vertical wall with a force of 20 N coefficient of static friction being 1 Another horizontal...
- Q A circular disc with a groove along its diameter is placed horizontally A block of mass 1 kg is placed as shown The co efficient of friction between the block...
- Q A small cube mass m is on the inner curved surface of a funnel rotating about its own axis Its wall inclines at an angle with the horizontal The cube...
- Q A body of mass 10 kg is about to slide down a plane inclined at an angle 20 with the horizontal What force along the plane if applied upwards will...
- Q 38 A block is placed on a rough plane whose inclination to the horizontal 0 can be varied The angle of repose is 30 The graph that correctly indicates the...
- Q What is the maximum value of force so that both the blocks will move together H 0 64 2 kg F 3 kg P 0 2 Tum
- Q 3 3 22 A rough vertical board has a horizontal acc Lion a so that a 2kg block pressing against it does not fall The coefficient of friction between the...
- Q A truck of mass 1000 kg pulls a trailer of mass 3000 kg using a rope Frictional force between truck and road and trailer and road are 1000 N and...
- Q 0 Starting from rest a body slides down a 45 inclined plane in twice the time it takes to slide down the same distance in the absence of friction The...
- Q Find the minimum force that must be applied on the block vertically so that the block does not move a 70 N 10 kg 100 N 0 5 b 80...
- Q placed on a horizontal conveyor belt which is moving with uniform velocity v as shown in the figure The coefficient of static friction is t the coefficient of kinetic friction...
- Q Which of these is an example of sliding friction O A a flying kite pushed by a gentle breeze OB a badminton shuttlecock flying over the net OC a basketball...
- Q A block weighing 300 N is moved at a constant speed over a of 50 N applied parallel to the surface What does the constant speed tell you about the...
- Q Suppose a 1 0 N force is applied to the side of a 4 0 kg block that is sitting on a table The block experiences a frictional force against...
- Q The first step in determining fault at the crash scene is to determine the coefficient of friction between the tires and the road Here is what you know 1 A...
- Q What is the mass percent of oxygen 16 00 g mol in NaHCO 84 07 g mol 57 10 a b 22 21 c 67 56 d 0 20 ANS...
- Q What are the two types of friction Give an example If forces are acting in the same direction what would we do to get the net force If forces are...
- Q In which of the scenarios are the objects interacting through a force of fluid friction Scenario 1 A bottle filled with soda rolls across the surface of a concrete patio...
- Q 9 A bullet is moving at a speed of 367 m s when it embeds into a lump of moist clay The bullet penetrates for a distance of 0 0621...
- Q 2 Determine the coefficient of friction between the Prius tires and the ice Explain how you did this and show all your work 1 Because this car is equipped with...
- Q horizontal A force of friction of 60 0 N impedes the motion of the box a What is the force pulling the box down the incline 7 b What is...
- Q An incline plane has 40 0 and 0 15 Starting from rest how long will it take a 4 0 kg block to reach a speed of 12 m s...
- Q Problem 3 Block A with mass 2 kg is placed on top of Block B with mass 5 kg The coefficient of kinetic friction between B and the ground is...
- Q 1 Two blocks are connected by a massless string over a frictionless pulley as shown in the diagram K UOBJ 2 3 0 80 kg PK 0 14 60 Pk...
- Q 8c6p85 A car weighing 1 07x10 N and traveling at 14 20 m s attempts to round an unbanked curve with a radius of 60 m What force of friction...
- Q 0 8c6p26 In the figure a sled being held on an inclined plane by a cord pulling directly up the plane The sled is to be on the verge of...
- Q 5 3 00 m A B 6 00 m C www A 10 0 kg block is released from point A The track is frictionless except for the portion between...
- Q A 30 0 kg block is being pushed up a 15 0 slope by a force of 250 0 N which is parallel to the slope What is the coefficient...
- Q When a horizontal force of 190 N is applied to a 69 kg box on a leveled floor the box slides with constant velocity What is the magnitude of the...
- Q A 50 kg block rests on a horizontal surface The coefficient of static friction us 0 50 The coefficient of kinetic friction uk 0 3 A force of 200 N...
- Q A block of unknown mass sits at rest on a surface where the coefficient of static friction is 0 8 You apply a horizontal force to the block and find...
- Q A 5 kg box is on a rough horizontal surface An external force F is applied horizontally to the box When force F equals 4 N the box is in...
- Q A person is moving a sofa across the floor at a constant speed applying a constant horizontal force After this the person doubles the magnitude of the force How does...
- Q No picture no points 3 10 pts A 20 kg crate is being pulled horizontally at a constant rightward velocity of 2 0 m s along a rough floor The...
- Q Response A dog sled driver prepared for her race Her sled was loaded with equipment but on snow and ice the dogs moved the heavy sled Each dog pulled with...
- Q block of mass m 1 5 kg is kept in place on a rough ramp by a spring as shown The ramp makes an angle 50 wrt to orizontal and...
- Q 3 A skater moves across the ice a distance of 12 m before a constant frictional force of 15 N causes him to stop His initial speed is 2 2...
- Q You are moving into a new place, and you rented a U-Haul cargo van to transport your home furniture and different boxes. Moving the boxes from the house to the...
- Q A student pulls a sled carrying a box with a force of 51 N. The sled weighs 12 kg and has a coefficient of friction of 0.36 with the ground....
- Q Exploration 1.1 Have one of the group press horizontally against a stool using only the index finger. No one should be sitting on the stool. The person pushing the stool...
- Q A 5.3 kg block rests on a level surface. The coefficient of static friction is ? = 0.67, and the coefficient of kinetic friction is ?* = 0.48 A horizontal...
- Q An object moving on a frictionless horizontal road with a constant speed of 40 m/s decreases to 15 m/s 5 s after entering a road where the friction force is...
- Q Mr. Mangan pulls a 90 kg block with a force of 250 N at an angle of 15 degrees. The coefficient of kinetic friction between the block and the floor...
- Q 6. A wooden pallet carrying a load of 600.0 kg rests on a wooden floor. Staticmu-0.280 Kinetic mu-0.170a. A forklift driver decides to push it without lifting it. What force...
- Q A 10-kg object starts from rest from the top of 2-meter-tall ramp that is inclined at 40? above the x axis. It slides along the rough surface of the incline...
- Q If the object in the diagram has a mass of 14.2 kg, and the applied force has a value of 54.0 N at an angle of 33.0, and if the...
- Q A block is sliding in a straight line alonga rough table. The coefficient of friction be-tween the block and the table is mk while it issliding.The direction of the frictional...
- Q What can be said about the forces acting on an object that is moving with a constant velocity? The forces acting on the object are unbalanced and the net acceleration...
- Q A 21 kg block is being dragged over a rough surface with a 190 N force. The block is moving at a constant speed. What is the coefficient of kinetic...
- Q Lucy holds a football in place while Charlie Brown attempts to kick it. The mass of the. football is 1 kg and the coefficient of static friction between the football...
- Q A force of 20 N is applied horizontally to a 4.0-kg mass on a level surface. The coefficient of kinetic friction between the mass and the surface is 0.30. If...
- Q The coefficient of friction representshow strong the normal force is.how strong the frictional force is.what direction the frictional force is.Ohow rough the two surfaces are.
- Q A car is parked on a hill. What type of friction is preventing the car from rolling?A car slams on its brakes and skids to a stop. What type of...
- Q You are driving at the speed of 29.3 m/s (65.5562 mph) when suddenly the car in front of you (previously traveling at the same speed) brakes and begins to slow...
- Q A block of mass 59.1 kg rests on a slope having an angle of elevation of 26.3. If pushing downhill on the block with a force just exceeding 182 N...
- Q A 320-g mass and a 400-g mass are attached to the two ends of a string that goes over a pulley with a radius of 8.70 cm. Because of friction,...
- Q 42.0-kg crate, starting from rest, is pulled acrossa floor with a constant horizontal force of 225 N.For the first 11.0 m the floor is frictionless, and forthe next 10.0 m...
- Q A 300 g object is pushed through a length of 80 cm on a tabletop. Coefficient of kinetic friction between the object and tabletop is 0.2. What is the work...
- Q You are pushing a shopping cart at Target, fully loaded, with a mass of 46kg. The coefficient of friction between the cart's wheels and the floor is 0.23. How much...
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