Friction helps to increase the speed of a moving object.

…………….. help to increase the production of food.

Assertion: A negative acceleration of a body can be associated with a 'speeding up' of the body. Reason: Increase in speed of a moving body is independent of its direction of motion.

A : If speed of a particle is never zero than it may have zero averag speed. R : The average speed of a moving object in a closed path is zero.

m=(M)/(sqrt(1-(v^(2))/(c^(2))) The equation above describes, according to Einstein's theory of relativity, how the mass of an object increase with velocity where m is the mass of moving object, M is the mass the mass the object when it is not moving, v is the velocity of the object relative to a stationary observer, and c is the speed of light. Which of the following expresses v in terms of m, M, and c?

With the increase in the weight of an object, the pressure :

When Mahesh babu increases his running speed, he experiences f_(1) friction. And when he want to decrease his speed at fast rate, he experiences f_(2) friction

An object having kinetic energy of 50 J is moving with linear momentum [barp = (3hat j-4 hat j)] kg m/s. The speed of moving object will be

An object moves 10 m in 4 s then turns left and moves 20 m in next 5 s. What is the average speed of the object?

A real object is placed in front of a convex mirror (fixed).The object is moving toward the mirror. If v_(0) is the speed of object and v_(i) is the speed of image, then