For Grade 9 Next Which Grade? 1. Newton's First Law of Motion Which… — ABDII SABBA — TG.ME

📌For Grade 9 Next Which Grade? 1. Newton's First Law of Motion     Which of the following best describes Newton's First Law of Motion?     A) An object at rest stays at rest unless acted upon by a force.     B) Force equals mass times acceleration.     C) For every action, there is an equal and opposite reaction.     D) Energy cannot be created or destroyed. 2. Kinematics     A car accelerates from rest at a rate of 3 m/s². How far will it travel in 4 seconds?     A) 6 m     B) 12 m     C) 24 m     D) 48 m 3. Energy     What is the unit of energy?     A) Newton     B) Joule     C) Watt     D) Pascal 4. Forces     If a 5 kg object is subjected to a force of 20 N, what is its acceleration?     A) 2 m/s²     B) 4 m/s²     C) 5 m/s²     D) 10 m/s² 5. Work     Work is defined as:     A) Force multiplied by distance in the direction of the force.     B) Mass multiplied by acceleration.     C) Energy transferred from one object to another.     D) The rate at which work is done. 6. Simple Machines     Which of the following is NOT a type of simple machine?     A) Lever     B) Pulley     C) Wheel and axle     D) Circuit 7. Waves     What type of wave requires a medium to travel through?     A) Electromagnetic wave     B) Transverse wave     C) Longitudinal wave     D) Both B and C 8. Thermal Energy     Which method of heat transfer occurs through direct contact?     A) Convection     B) Radiation     C) Conduction     D) Insulation 9. Electricity     According to Ohm's Law, if the voltage is doubled while keeping resistance constant, what happens to the current?     A) It doubles.     B) It halves.     C) It remains the same.     D) It quadruples. 10. Gravity      The gravitational force between two objects depends on:      A) Their masses and the distance between them.      B) Their shapes and colors.      C) The temperature of the objects.      D) The speed at which they move. https://t.me/ABDII_SABBA

September 29, 2024 2.8K 3 3