1. What is a force?, 1. What is a force?, A. The speed of an object, B. A push or a pull, C. The mass of an object, Which force pulls objects toward the Earth?, A. Friction, B. Air resistance, C. Gravity, D. Normal force, 3. Which force slows objects moving through air?, A. Gravity, B. Air resistance, C. Normal force, D. Magnetism, Which force acts when two surfaces rub against each other?, A. Gravity, B. Friction, C. Upthrust, D. Air resistance, Identifying Forces, Upthrust, B. Air resistance, Gravity, D. Magnetism, A force can change the shape of an object, True, False, Gravity pushes objects upward., True, False, Friction makes objects move faster, True, False, Air resistance slows down falling objects, True, False, A force can stop a moving object., True, False, Identifying Forces, A. Gravity, B. Air resistance, C. Normal force, D. Magnetism, Identifying Forces, Gravity, Air resistance, Friction, Applied Force, A parachute is falling slowly through the air.Which force acts upward to slow it down?, A. Gravity, B. Air resistance, C. Friction, D. Applied force, A ball is resting on the floor and is not moving.Which two forces act on the ball?, A. Gravity and air resistance, B. Gravity and normal force, C. Friction and applied force, D. Upthrust and gravity, A car is moving forward on a road.Which force moves the car forward?, A. Gravity, B. Friction, C. Applied force, D. Air resistance, A swimmer is floating on water.Which force pushes the swimmer upward?, A. Gravity, B. Friction, C. Air resistance, D. Upthrust, Air resistance acts in the same direction as motion., True, False, Upthrust pulls objects downward in water., True, False, Compass, Magnet, Non-magnetic material, Magnetic material, Attract magnetic materials, Magnetic material, Magnet, Non-magnetic material, Can be repelled by magnets, Non-magnetic material, Magnet, Magnetic material, Do not attract other magnetic materials, Non-magnetic material, Magnet, Attract magnetic materials, Magnetic material, Iron, Magnet, magnetic materials, Non-magnetic materials, Steel, Magnet, Non-magnetic materials, magnetic materials, A mixture of metals is called an, Alloy, Magnet, Not attracted to a magnets, magnetic materials, Non-magnetic materials, Magnet, Wood, Magnet, Non-magnetic materials, magnetic materials

Sci5_TypesOfForces

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？