1ST TERM EXAMINATION PHYSICS SS 1
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Subuode Gbaga Gasline Ogun State
1st Term Examination
PHYSICS
SS 1
Section A
Answer all questions correctly
OBJECTIVE QUESTIONS
- __________ 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
- The following are the factors that affect friction except (a)velocity (b)nature of contact surfaces (c)surface area in contact (d)weight
- One metre is equivalent to ___________ (a)10 decimetre (b)100 centimetre (c)1000 millimetre (d)10000 micrometres
- The S.I unit of speed is ___________ (a)m/s (b)cm/s (c)km/h (d)ft/s
- The distance between two objects is 20m and the displacement is 5m, find the distance? (a)- 15m (b)15m (c)10m (d)5m
- The formula for speed is ___________ (a)speed = distance/time (b)speed = displacement/time (c)distance = speed X time (d)displacement = speed + time
- Which of the following is not a vector quantity? (a)weight (b)velocity (c)time (d)acceleration
- The ___________ of an object is the rate of change of its velocity with respect to time. (a)distance (b)displacement (c)speed (d)acceleration
- Which one of the following is not a unit of speed? (a)m/s (b)km/h (c)cm/s (d)ft/s
- If an object is moving in a circular path, then it is undergoing ___________ motion. (a)rotational (b)rectilinear (c)periodic (d)random
- The ratio of the centripetal force to the product of the mass and square of velocity is equal to ___________ (a)one (b)zero (c)centripetal acceleration (d)tangential acceleration
- The force that opposes the relative motion of two surfaces in contact is called __________ force. (a)frictional (b)gravitational (c)centripetal (d)normal
- The force that acts at a distance and does not require contact between the two objects is called __________ force. (a)frictional (b)contact (c)non-contact (d)gravitational
- Which of the following is not a unit of time? (a)second (b)minute (c)hour (d)day
- The ___________ of an object is the product of its mass and velocity. (a)density (b)pressure (c)momentum (d)acceleration
- The force that causes a change in the shape or size of an object is called __________ force. (a)compressive (b)tensile (c)shearing (d)all of the above
- The force that causes an object to move in a circular path is called ___________ force. (a)centripetal (b)tangential (c)normal (d)frictional
- The ___________ of an object is the force required to change its velocity by one metre per second. (a)mass (b)weight (c)density (d)momentum
- The force that opposes the motion of an object is called ___________ force. (a)drag (b)frictional (c)gravitational (d)normal
- The force that always acts in the direction opposite to the motion of an object is called __________ force. (a)drag (b)frictional (c)normal (d)tangential
- The ___________ of an object is the force required to change its velocity by one metre per second. (a)mass (b)weight (c)density (d)momentum
THEORY
Instruction: Answer three questions only
- Write three examples each of fundamental and derived quantities
- Write the dimensions and units of the quantities listed above
Draw a velocity time graph showing when a vehicle is:
At rest
Moving in constant speed
Constant acceleration
Constant deceleration - 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:
- Acceleration
- Deceleration
- (a). Define motion and friction
- (b). List the two types of force and explain one
- (c). List four types of motion and explain
5. Define the following:
(a). Speed
(b). Velocity
(c). Position
(d). Displacement
(e). Distance
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