1st Term Examination PHYSICS SSS 1
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1st Term Examination
PHYSICS
SSS 1
Section A
Answer all questions correctly
- __________ is the quantity of matter in a body? (a)weight (b)mass (c)force (d)motion
- Which of the following is not a type of contact force? (a)push (b)pull (c)magnet force (d)frictional force
- The force that opposes motion is called? (a)frictional force (b)moving force (c)breaking or stopping force (d)coefficient
- What will be the weight of an object whose mass is 20kg when acceleration due to gravity is 10/s2? (a)30m/s (b)200m (c)200N (d)30N
- The unit of mass is _________ (a)Newton (b)metre (c)kilogram (d)kilometre
- Which of the following is not a career opportunity in Physics? (a)accelerator Physics (b)marketing (c)metrology (d)material Physics
- Time is an example of (a)derived quantity (b)fundamental quantity (c)fundamental unit (d)derived unit
- The dimension for velocity is ___________ (a)m/s (b)L/T (c)m/s2 (d)V
- ___________ is an instrument used in measuring time per hour? (a)ticker tape timer (b)stop watch (c)sand clock (d)heartbeat
- What is the earth pull of a body? (a)gravity (b)force (c)weight (d)mass
- The S.I unit of work done is __________(a)Newton (b)Newton per metre (c)Newton X metre (d)metre square
- When an object is said to be involved in a to and fro movement/motion, the object is in (a)relative motion (b) random motion (c) rotational motion (d)none of the above
- What will be the speed of a car which covers a distance of 30 metres within 15 seconds? (a)2m (b)2m/s (c)2 seconds (d)450 m/s
- One of the following is not used for measuring distance? (a)metre rule (b)vernier caliper (c)simple pendulum (d)micro metre screw gauge
- Friction can be reduced by the following ways except (a)banking (b)lubricating (c)ball bearing (d)applying dry sand
- The unit of force is _________ (a)Newton (b)Newton metre (c)Newton second (d)metre
- Which of the following is not a derived quantity? (a)area (b)mass (c)moment (d)pressure
- __________ is the distance travelled with time (A)distance (b)displacement (c)speed (d)velocity
- _________ is the rate of velocity with respect to time (a)displacement (b)acceleration (c)distance (d)speed
- Energy is measured in ___________ (a)Newton (b)Joules (c)metre (d)kilogram
- Which of the following is not a form of energy? (a)sand energy (b)kinetic energy (c)solar energy (d)work energy
- Viscosity is a _________ (a)scalar quantity (b)vector quantity (c)physical quantity (d)all of the above
- Which of the following is not a low viscous liquid? (a)grease (b)water (c)kerosene (d)petrol
- __________ force can also be called push (a)like force (b)unlike force (c)frictional force (d)pull
- Which of the following is not a type of motion? (a)random motion (b)relative motion (c)resting motion (d)rotational motion
- A car starts from rest and achieve a velocity of 20m/s in 10 seconds, moving westward from a starting point 0. What will be its average acceleration? (a)- 2m/s2 (b) 2m/s2 (c) 2m/s (d)- 2m/s
- A decrease in velocity is called (a)acceleration (b)deceleration (c)velocity (d)brakes being applied
- __________ is the ability of capability to do work? (a)energy (b)work done (c)power (d)food
- The rate of work done or energy expended is known as __________ (a)energy (b)power (c)work done (d)distance
- Power is measured in __________ (a)joules (b)Newton (c)watt (d)kilogram
THEORY
Instruction: Answer three questions only
- (a). Write three examples each of fundamental and derived quantities
(b). Write the dimensions and units of the quantities listed above
- (a). Draw a velocity time graph showing when a vehicle is:
(i). At rest
(ii). Moving in constant speed
(iii).Constant acceleration
(iv).Constant deceleration
(b). A motor car accelerates for 10 seconds to attain a velocity of 20m/s. it continues
with uniform velocity for a further 20 seconds and then decelerates so that it stops in
20 seconds. Draw the velocity time graph representation and calculate:
(i). Acceleration
(ii). Deceleration
- (a). Define motion and friction
(b). List the two types of force and explain one
(c). List four types of motion and explain
- Define the following:
(a). Speed
(b). Velocity
(c). Position
(d). Displacement
(e). Distance