Physics-

General

Easy

Question

# The work done by force acting on a body is as shown in the graph. The total work done in covering an initial distance of 20 m is

- 225 J
- 200 J
- 400 J
- 175 J

## The correct answer is: 200 J

### Work done

ABCD +Area CEFD

### Related Questions to study

physics-

### Two rectangular blocks and of masses 2kg and 3 kg respectively are connected by spring of spring constant 10.8 and are placed on a frictionless horizontal surface. The block was given an initial velocity of 0.15 in the direction shown in the figure. The maximum compression of the spring during the motion is

### Two rectangular blocks and of masses 2kg and 3 kg respectively are connected by spring of spring constant 10.8 and are placed on a frictionless horizontal surface. The block was given an initial velocity of 0.15 in the direction shown in the figure. The maximum compression of the spring during the motion is

physics-General

physics-

### Six identical balls are linked in a straight groove made on a horizontal frictionless surface as shown. Two similar balls each moving with a velocity collide elastically with the row of 6 balls from left. What will happen

### Six identical balls are linked in a straight groove made on a horizontal frictionless surface as shown. Two similar balls each moving with a velocity collide elastically with the row of 6 balls from left. What will happen

physics-General

physics-

### A force acting on an object varies with distance as shown here. The force is in and in . The work done by the force in moving the object from to is

### A force acting on an object varies with distance as shown here. The force is in and in . The work done by the force in moving the object from to is

physics-General

physics-

### What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of (Take )

### What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of (Take )

physics-General

physics-

### The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant k and compresses it by length L. The maximum momentum of the block after collides is

### The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant k and compresses it by length L. The maximum momentum of the block after collides is

physics-General

physics

### The area covered by the curve of V-t graph and time axis is equal to magnitude of

### The area covered by the curve of V-t graph and time axis is equal to magnitude of

physicsGeneral

physics-

### In a children’s park, there is a slide which has a total length of 10 m and a height of 8.0 m. A vertical ladder is provided to reach the top. A boy weighing 200 N climbs up the ladder to the top of the slide and slides down to the ground. The average friction offered by the slide is three-tenth of his weight. The work done by the slide on the boy as he comes down is

### In a children’s park, there is a slide which has a total length of 10 m and a height of 8.0 m. A vertical ladder is provided to reach the top. A boy weighing 200 N climbs up the ladder to the top of the slide and slides down to the ground. The average friction offered by the slide is three-tenth of his weight. The work done by the slide on the boy as he comes down is

physics-General

physics-

### A mass ‘m’ moves with a velocity 'v’ and collides in elastically with another identical mass. After collision the Ist mass moves with velocity in a direction perpendicular to the initial direction of motion. Find the speed of the 2^{nd} mass after collision

### A mass ‘m’ moves with a velocity 'v’ and collides in elastically with another identical mass. After collision the Ist mass moves with velocity in a direction perpendicular to the initial direction of motion. Find the speed of the 2^{nd} mass after collision

physics-General

physics-

### A toy car of mass 5 kg moves up a ramp under the influence of force plotted against displacement . The maximum height attained is given by

### A toy car of mass 5 kg moves up a ramp under the influence of force plotted against displacement . The maximum height attained is given by

physics-General

physics

### In uniformly accelerated motion the slope of velocity - time graph gives ....

### In uniformly accelerated motion the slope of velocity - time graph gives ....

physicsGeneral

physics

### The graph of displacement (x) time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

### The graph of displacement (x) time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

physicsGeneral

physics

### In the above figure acceleration (a) time (t) graph is given. Hence

### In the above figure acceleration (a) time (t) graph is given. Hence

physicsGeneral

physics-

### A block of mass 2kg is free to move along the x- axis. It is at rest and from t=0 onwards it is subjected to a time-dependent force in the x- direction. The force varies with t as shown in the figure. The kinetic energy of the block after 4.5 seconds is

### A block of mass 2kg is free to move along the x- axis. It is at rest and from t=0 onwards it is subjected to a time-dependent force in the x- direction. The force varies with t as shown in the figure. The kinetic energy of the block after 4.5 seconds is

physics-General

physics-

### The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is -

### The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is -

physics-General

physics

### Here is a velocity - time graph of a motorbike moving in one direction. Calculate the distance covered by it in last two seconds.

### Here is a velocity - time graph of a motorbike moving in one direction. Calculate the distance covered by it in last two seconds.

physicsGeneral