1ST TERM EXAMINATION PHYSICS SS 1
Edu Delight Tutors
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:
(i). Acceleration
(ii). Deceleration
4. (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