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PHYSICS REVISION QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS REVISION QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS REVISION QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
Distance - ANSWER Speed x time
Speed - ANSWER Distance/time
Time - ANSWER Distance/speed
Average speed - ANSWER M/s
Distance moved - ANSWER M
Time taken - ANSWER S
Acceleration - ANSWER Change in velocity/time
Thrust - ANSWER Increases the velocity of an object
Air resistance - ANSWER Decreases the velocity of an object
Torque - ANSWER Changes the direction of an object
Force - ANSWER Mass X acceleration
Friction - ANSWER When two surfaces slide past each other, the interaction between them produces a
force of friction.
Weight - ANSWER Mass X gravitational field strength
, Momentum - ANSWER Mass X velocity
Energy - ANSWER Current X voltage X time
Frequency - ANSWER Number of waves passing a certain point per second
Wavelength - ANSWER Distance from any point on one wave to the same point on the next wave
The angle of incidence... - ANSWER is always greater than the angle of refraction
Wave speed - ANSWER Frequency X wavelength
The gradient of a velocity time graph represents - ANSWER The acceleration
When all forces are bakanced - ANSWER The resultant force = 0
When all forces are unbalanced he resultant force - ANSWER Isn't 0
If you double the resultant force - ANSWER You double the acceleratuon
Resultant force (N) = - ANSWER Mass (kg) X acceleration (m/s)
Gravitational field strength = - ANSWER Weight/mass
What is weight? - ANSWER A force acting on stuff
What is mass? - ANSWER How much stuff is in an object
Work done (J) = - ANSWER Force (N) X distance (m)
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