OBJECTIVES (1) A body of mass 4kg moves through a distance 80m. Calculate the work done on the body ( (b)42) (c)320) (d)0.016) (2) Which of the following is a scaler quantity? (a)Tension (b)impulse (c)Upthrust (d)Distance (3) The International agreed system of unit (5.1) for physical measurement are (ajit, ft, sec (b)g, m sec (c)cm, g, sec (4) Power is defined as the (a)product of force and time (b)capacity extent of a force (c)product distance (d)energy expended per unit time (5) A body of mass Skg fall from height of 10m above the ground. What is the kinetic energy of before it strikes the ground (g-10m/s) (a)5J (b)25) (c)250) (d)500) (6) A body accelerates uniformly from rest at 2m/s Calculate its velocity after travelling 9m. (a) (c)6m/s (d)4.5m/s (7) The friction which exists between two layers of liquid in relative move is called (a)cappilarity tension (c)viscosity (d)cohesion (8) Which of the following quantities has the same unit as energy? (a) Power (b)Work (c)Force (9) Which of the following sources of energy is renewable? (a)Sun (b)Petroleum (c)Coal (d)Wat (10)Which of the following values on the absolute scale of temperature in the point? (a)OK (b) (d)273K (11)A body starts from rest and accelerates uniformly at 5m/s until. It attain a velocity of 25m/ time taken to attain a velocity. (a)2.5s (b)5s (c)10s (d)125s (12) Which of the following types of motion does a body undergo when moving in a haphazard (a)Random motion (b)translating motion (c)Rotational motion (d)Vibration motion 13)Calculate the weight of an object whose mass is 5kg. (g=10m/s²) (a)2N (b)50N (C)25N (d)D 14)A car starting from rest is accelerated uniformly to a velocity of 100.8KM/h. Convert this t (a)28m/s (b)14m/s (c)10m/s (d)280m/s 5)Which of the following best described the first equation of motion (a)V=u+at (b)V=u2+28 (d)V-U T 6)A body of mass 4kg is acted upon by a constant force of 12N for 2 sec. Calculate the K.E ga (a)36) (b)72) (c)36N (d)72N 7)The following are the different between P.E and K.E exept (a) K.E is energy due to motion (b) P.E is energy at rest due to its level (c) K.E does not act against gravity (d) P.E is a horizontal-energy Calculate the potential energy of kainyi Dam if the height is 200m and the mass of the water is 5kg (g=10m/s²) (a)10KJ (b)101 (c)1 All of the following is an application of K.E except (a)Generation of electricity from movi b)windmills (c)Moving buller (d)mass of train car travelled a distance of 4km in 40sec.Find the speed in metre per second (m/s). (a)100m/s ( 40m/s (A) Define friction? THEORY (B) Mention three differences between statric and dynamic friction A body accelerates from rest at 0.2m/s² for one fifth of a minutes. Calculate the distance cov a) state the principle of conservation of energy b) A Fruit From a tree of mass 2kg is 5M above the ground. Calculate the PH of the fruit abov ​