If the force applied on the object is in the direction opposite to the direction of motion, the speed of the object __________.
1). increases
2). stops
3). decreases
4). no effect
1. An electron microscope gives higher magnification than an optical microscope because:
2. How many laws of physics are there?
3. An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :
4. A spherical ball made of steel when dropped in mercury container will
5. Which one of the following has the highest value of specific heat?
6. If the length of a simple pendulum is halved then its period of oscillation is
7. Bats can sense obstacles because they produce